The IAC implementation rates page provides a breakdown of rates based on the following criteria.
RESET
Average Implementation Rate for All Matching Recommendations: 49.7%


Total Imped Imp Rate
1981 - - -
1982 - - -
1983 - - -
1984 - - -
1985 - - -
1986 - - -
1987 - - -
1988 - - -
1989 - - -
1990 - - -
1991 99 56 56.6%
1992 201 76 37.8%
1993 234 83 36.9%
1994 204 78 38.2%
1995 213 101 47.4%
1996 187 95 50.8%
1997 222 111 50.0%
1998 248 104 41.9%
1999 161 74 46.0%
2000 231 133 66.8%
2001 394 157 42.5%
2002 359 120 37.9%
2003 314 123 45.6%
2004 323 129 44.6%
2005 309 157 52.7%
2006 317 118 57.6%
2007 242 92 44.9%
2008 174 100 57.5%
2009 164 54 32.9%
2010 158 76 61.8%
2011 244 89 45.4%
2012 145 86 61.4%
2013 201 131 65.2%
2014 165 89 53.9%
2015 226 145 64.2%
2016 181 86 50.6%
2017 206 127 67.6%
2018 182 61 74.4%
2019 67 - -
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