The IAC implementation rates page provides a breakdown of rates based on the following criteria.
RESET
Average Implementation Rate for All Matching Recommendations: 48.2%


Total Imped Imp Rate
1981 - - -
1982 273 69 25.3%
1983 263 75 28.5%
1984 258 166 64.3%
1985 189 124 65.6%
1986 161 116 72.0%
1987 150 99 66.0%
1988 143 82 57.3%
1989 145 92 63.4%
1990 130 88 67.7%
1991 146 102 69.9%
1992 177 122 68.9%
1993 141 77 54.6%
1994 170 81 49.4%
1995 178 113 63.5%
1996 168 96 57.1%
1997 158 77 48.7%
1998 177 87 53.0%
1999 186 63 45.0%
2000 134 42 32.8%
2001 118 56 50.0%
2002 122 47 43.5%
2003 142 48 33.8%
2004 152 71 51.4%
2005 140 28 27.2%
2006 100 37 48.1%
2007 53 11 25.6%
2008 61 24 39.3%
2009 68 32 47.1%
2010 107 48 45.3%
2011 106 44 41.5%
2012 77 32 41.6%
2013 165 57 34.5%
2014 144 44 30.6%
2015 116 34 29.3%
2016 86 25 29.1%
2017 107 26 24.3%
2018 64 8 26.7%
2019 15 - -
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