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Figure 3. Number of Laboratories Accredited Per Year vs. Number of Exonerations (Year of Conviction)

Description

Figure 3 is a line graph showing the number of laboratories accredited per year versus the number of exonerations per year of conviction. The figure shows an increase in the number of accredited laboratories compared to the number of exonerees per year of conviction.

The data points shown on the line graph are as follows:

Year Number of Accredited Laboratories Number of Invalid/Improper Forensic Science Convictions
1974 0 1
1975 0 0
1976 0 0
1977 0 0
1978 0 5
1979 0 1
1980 0 3
1981 0 6
1982 10 7
1983 12 10
1984 29 6
1985 36 7
1986 48 11
1987 53 12
1988 56 13
1989 61 9
1990 69 19
1991 80 2
1992 81 3
1993 93 2
1994 121 1
1995 127 4
1996 141 3
1997 147 1
1998 166 3
1999 184 1
2000 196 1
2001 214 0
2002 238 0
2003 260 2
2004 279 0
2005 303 0
2006 323 0
2007 338 0
2008 356 0
2009 377 0
2010 385 0
2011 390 0
2012 397 0
2013 404 0
2014 0 0
2015 0 0

 

Data are based on 133 cases of wrongful conviction listed by the National Registry of Exonerations.