The IAC implementation rates page provides a breakdown of rates based on the following criteria.
RESET
Average Implementation Rate for All Matching Recommendations: 51.0%


Total Imped Imp Rate
1981 - - -
1982 - - -
1983 - - -
1984 - - -
1985 43 21 48.8%
1986 70 49 70.0%
1987 13 7 53.8%
1988 29 18 62.1%
1989 8 3 37.5%
1990 48 29 60.4%
1991 60 40 66.7%
1992 142 39 28.7%
1993 34 9 37.5%
1994 - - -
1995 146 59 45.7%
1996 58 37 63.8%
1997 128 36 28.1%
1998 75 38 50.7%
1999 90 36 40.0%
2000 131 67 51.1%
2001 161 79 49.1%
2002 190 78 41.1%
2003 167 77 46.1%
2004 173 103 59.5%
2005 181 102 56.4%
2006 249 141 59.0%
2007 184 121 65.8%
2008 115 61 53.0%
2009 118 69 58.5%
2010 99 49 54.4%
2011 91 47 52.2%
2012 117 49 44.5%
2013 194 89 45.9%
2014 181 74 45.4%
2015 232 109 48.2%
2016 212 108 57.8%
2017 158 89 58.9%
2018 168 65 49.2%
2019 64 8 40.0%
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