The IAC implementation rates page provides a breakdown of rates based on the following criteria.
RESET
Average Implementation Rate for All Matching Recommendations: 47.8%


Total Imped Imp Rate
1981 - - -
1982 - - -
1983 - - -
1984 104 64 61.5%
1985 339 187 55.2%
1986 73 40 54.8%
1987 45 32 71.1%
1988 103 67 65.0%
1989 114 41 36.0%
1990 117 48 41.0%
1991 102 81 79.4%
1992 131 59 45.0%
1993 - - -
1994 144 50 36.2%
1995 15 9 60.0%
1996 32 16 50.0%
1997 44 14 31.8%
1998 69 32 46.4%
1999 56 19 40.4%
2000 36 5 21.7%
2001 33 14 42.4%
2002 54 23 42.6%
2003 38 21 55.3%
2004 46 24 52.2%
2005 40 19 47.5%
2006 53 30 66.7%
2007 33 8 24.2%
2008 50 11 22.0%
2009 48 14 29.2%
2010 43 24 55.8%
2011 28 16 57.1%
2012 82 30 40.5%
2013 140 50 35.7%
2014 102 39 47.6%
2015 130 53 40.8%
2016 47 22 46.8%
2017 50 22 44.0%
2018 8 - -
2019 8 - -
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