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List of States Conducting Surveillance by Year

X=States conducting landline only surveillance

M=States conducting multi-mode (landline and cell phone) surveillance

States Conducting Surveillance, by Year (1984-2016)

Numbers of Variables, Surveillance States, and Records by Year (1984-2016)

Data Year Number of Variables Number of States
collecting surveillance data		 Number of records in
data set
2016 275 54 486,303
2015 330 53 441,456
2014 279 53 464,664
2013 359 53 491,773
2012 359 53 475,687
2011 450 53 506,022
2010 378 54 451,075
2009 405 54 432,607
2008 292 54 414,509
2007 342 54 430,912
2006 302 53 355,710
2005 329 53 356,112
2004 293 52 303,821
2003 294 54 264,684
2002 310 54 247,964
2001 291 54 212,510
2000 289 52 184,450
1999 281 52 159,989
1998 326 52 149,342
1997 268 52 135,582
1996 263 52 124,085
1995 212 50 113,934
1994 209 50 105,853
1993 197 50 102,263
1992 181 49 96,213
1991 180 48 87,846
1990 193 45 81,557
1989 162 40 66,867
1988 152 37 56,448
1987 116 33 50,081
1986 108 26 34,395
1985 100 22 25,221
1984 98 15 12,258

States Conducting Surveillance, by Year (2011-2016)

State 2011 2012 2013 2014 2015 2016
Alabama M M M M M M
Alaska M M M M M M
Arizona M M M M M M
Arkansas M M M M M M
California M M M M M M
Colorado M M M M M M
Connecticut M M M M M M
Delaware M M M M M M
District of Columbia M M M M M M
Florida M M M M M M
Georgia M M M M M M
Guam M M M M M M
Hawaii M M M M M M
Idaho M M M M M M
Illinois M M M M M M
Indiana M M M M M M
Iowa M M M M M M
Kansas M M M M M M
Kentucky M M M M M M
Louisiana M M M M M M
Maine M M M M M M
Maryland M M M M M M
Massachusetts M M M M M M
Michigan M M M M M M
Minnesota M M M M M M
Mississippi M M M M M M
Missouri M M M M M M
Montana M M M M M M
Nebraska M M M M M M
Nevada M M M M M M
New Hampshire M M M M M M
New Jersey M M M M M M
New Mexico M M M M M M
New York M M M M M M
North Carolina M M M M M M
North Dakota M M M M M M
Ohio M M M M M M
Oklahoma M M M M M M
Oregon M M M M M M
Pennsylvania M M M M M M
Puerto Rico M M M M M M
Rhode Island M M M M M M
South Carolina M M M M M M
South Dakota M M M M M M
Tennessee M M M M M M
Texas M M M M M M
Utah M M M M M M
Vermont M M M M M M
Virginia M M M M M M
Virgin Islands X M
Washington M M M M M M
West Virginia M M M M M M
Wisconsin M M M M M M
Wyoming M M M M M M
Total Surveillance 53 53 53 53 53 54

States Conducting Surveillance, by Year (2001-2010)


State 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010
Alabama X X X X X X X X X X
Alaska X X X X X X X X X X
Arizona X X X X X X X X X X
Arkansas X X X X X X X X X X
California X X X X X X X X X X
Colorado X X X X X X X X X X
Connecticut X X X X X X X X X X
Delaware X X X X X X X X X X
District of Columbia X X X X X X X X X X
Florida X X X X X X X X X X
Georgia X X X X X X X X X X
Guam X X X       X X X X
Hawaii X X X   X X X X X X
Idaho X X X X X X X X X X
Illinois X X X X X X X X X X
Indiana X X X X X X X X X X
Iowa X X X X X X X X X X
Kansas X X X X X X X X X X
Kentucky X X X X X X X X X X
Louisiana X X X X X X X X X X
Maine X X X X X X X X X X
Maryland X X X X X X X X X X
Massachusetts X X X X X X X X X X
Michigan X X X X X X X X X X
Minnesota X X X X X X X X X X
Mississippi X X X X X X X X X X
Missouri X X X X X X X X X X
Montana X X X X X X X X X X
Nebraska X X X X X X X X X X
Nevada X X X X X X X X X X
New Hampshire X X X X X X X X X X
New Jersey X X X X X X X X X X
New Mexico X X X X X X X X X X
New York X X X X X X X X X X
North Carolina X X X X X X X X X X
North Dakota X X X X X X X X X X
Ohio X X X X X X X X X X
Oklahoma X X X X X X X X X X
Oregon X X X X X X X X X X
Pennsylvania X X X X X X X X X X
Puerto Rico X X X X X X X X X X
Rhode Island X X X X X X X X X X
South Carolina X X X X X X X X X X
South Dakota X X X X X X X X X X
Tennessee X X X X X X X X X X
Texas X X X X X X X X X X
Utah X X X X X X X X X X
Vermont X X X X X X X X X X
Virginia X X X X X X X X X X
Virgin Islands X X X X X X X X X X
Washington X X X X X X X X X X
West Virginia X X X X X X X X X X
Wisconsin X X X X X X X X X X
Wyoming X X X X X X X X X X
Total Surveillance

54

54

54

52

53

53

54

54

54

54

States Conducting Surveillance, by Year (1991-2000)


State 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000
Alabama X X X X X X X X X X
Alaska X X X X X X X X X X
Arizona X X X X X X X X X X
Arkansas X   X X X X X X X X
California X X X X X X X X X X
Colorado X X X X X X X X X X
Connecticut X X X X X X X X X X
Delaware X X X X X X X X X X
District of Columbia X X X X   X X X X X
Florida X X X X X X X X X X
Georgia X X X X X X X X X X
Guam                    
Hawaii X X X X X X X X X X
Idaho X X X X X X X X X X
Illinois X X X X X X X X X X
Indiana X X X X X X X X X X
Iowa X X X X X X X X X X
Kansas   X X X X X X X X X
Kentucky X X X X X X X X X X
Louisiana X X X X X X X X X X
Maine X X X X X X X X X X
Maryland X X X X X X X X X X
Massachusetts X X X X X X X X X X
Michigan X X X X X X X X X X
Minnesota X X X X X X X X X X
Mississippi X X X X X X X X X X
Missouri X X X X X X X X X X
Montana X X X X X X X X X X
Nebraska X X X X X X X X X X
Nevada   X X X X X X X X X
New Hampshire X X X X X X X X X X
New Jersey X X X X X X X X X X
New Mexico X X X X X X X X X X
New York X X X X X X X X X X
North Carolina X X X X X X X X X X
North Dakota X X X X X X X X X X
Ohio X X X X X X X X X X
Oklahoma X X X X X X X X X X
Oregon X X X X X X X X X X
Pennsylvania X X X X X X X X X X
Puerto Rico           X X X X X
Rhode Island X X     X X X X X X
South Carolina X X X X X X X X X X
South Dakota X X X X X X X X X X
Tennessee X X X X X X X X X X
Texas X X X X X X X X X X
Utah X X X X X X X X X X
Vermont X X X X X X X X X X
Virginia X X X X X X X X X X
Virgin Islands                    
Washington X X X X X X X X X X
West Virginia X X X X X X X X X X
Wisconsin X X X X X X X X X X
Wyoming     X X X X X X X X
Total Surveillance 48 49 50 50 50 52 52 52 52 52

States Conducting Surveillance, by Year (1984-1990)


State 1984 1985 1986 1987 1988 1989 1990
Alabama     X X X X X
Alaska              
Arizona X X X X X X X
Arkansas              
California X X X X X X X
Colorado             X
Connecticut   X     X X X
Delaware             X
District of Columbia   X X X X X X
Florida   X X X X X X
Georgia   X X X X X X
Guam              
Hawaii     X X X X X
Idaho X X X X X X X
Illinois X X X X X X X
Indiana X X X X X X X
Iowa         X X X
Kansas              
Kentucky   X X X X X X
Louisiana             X
Maine       X X X X
Maryland       X X X X
Massachusetts     X X X X X
Michigan         X X X
Minnesota X X X X X X X
Mississippi             X
Missouri     X X X X X
Montana X X X X X X X
Nebraska       X X X X
Nevada              
New Hampshire       X X X X
New Jersey              
New Mexico     X X X X X
New York   X X X X X X
North Carolina X X X X X X X
North Dakota   X X X X X X
Ohio X X X X X X X
Oklahoma         X X X
Oregon           X X
Pennsylvania           X X
Puerto Rico              
Rhode Island X X X X X X X
South Carolina X X X X X X X
South Dakota       X X X X
Tennessee X X X X X X X
Texas       X X X X
Utah X X X X X X X
Vermont             X
Virginia           X X
Virgin Islands              
Washington       X X X X
West Virginia X X X X X X X
Wisconsin X X X X X X X
Wyoming              
Total Surveillance 15 22 26 33 37 40 45

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