The IAC implementation rates page provides a breakdown of rates based on the following criteria.
RESET
Average Implementation Rate for All Matching Recommendations: 44.6%


Total Imped Imp Rate
1981 - - -
1982 - - -
1983 - - -
1984 31 11 35.5%
1985 55 7 12.7%
1986 4 - -
1987 4 2 50.0%
1988 - - -
1989 - - -
1990 37 16 43.2%
1991 84 48 57.1%
1992 49 18 40.9%
1993 111 40 50.6%
1994 213 81 39.5%
1995 182 73 40.1%
1996 308 146 50.3%
1997 199 41 27.3%
1998 289 95 39.4%
1999 222 96 43.2%
2000 150 63 42.0%
2001 8 2 25.0%
2002 38 16 42.1%
2003 122 52 42.6%
2004 81 33 45.8%
2005 129 59 59.6%
2006 88 35 39.8%
2007 55 30 54.5%
2008 105 35 41.2%
2009 38 17 65.4%
2010 30 15 50.0%
2011 17 - -
2012 62 22 44.0%
2013 125 64 51.6%
2014 95 30 31.6%
2015 183 70 39.3%
2016 195 113 57.9%
2017 247 126 51.9%
2018 125 44 61.1%
2019 52 - -
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