The IAC implementation rates page provides a breakdown of rates based on the following criteria.
RESET
Average Implementation Rate for All Matching Recommendations: 53.3%


Total Imped Imp Rate
1981 - - -
1982 - - -
1983 - - -
1984 - - -
1985 - - -
1986 12 6 50.0%
1987 21 9 42.9%
1988 30 22 73.3%
1989 30 18 60.0%
1990 19 15 78.9%
1991 71 40 56.3%
1992 186 81 43.5%
1993 175 95 54.3%
1994 198 103 52.0%
1995 225 114 52.5%
1996 222 133 59.9%
1997 134 82 61.2%
1998 154 86 55.8%
1999 175 44 29.5%
2000 152 60 39.5%
2001 178 81 48.5%
2002 123 60 48.8%
2003 95 48 50.5%
2004 56 37 66.1%
2005 102 46 47.4%
2006 84 44 52.4%
2007 111 84 75.7%
2008 68 39 65.0%
2009 42 18 42.9%
2010 54 33 61.1%
2011 40 26 65.0%
2012 96 39 44.8%
2013 118 67 60.9%
2014 67 32 52.5%
2015 108 42 64.6%
2016 79 47 65.3%
2017 8 2 25.0%
2018 3 2 66.7%
2019 - - -
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