The IAC implementation rates page provides a breakdown of rates based on the following criteria.
RESET
Average Implementation Rate for All Matching Recommendations: 47.5%


Total Imped Imp Rate
1981 - - -
1982 - - -
1983 - - -
1984 23 16 69.6%
1985 10 6 60.0%
1986 25 14 56.0%
1987 - - -
1988 33 23 69.7%
1989 49 33 67.3%
1990 47 27 57.4%
1991 75 37 49.3%
1992 12 11 91.7%
1993 71 36 62.1%
1994 91 35 47.9%
1995 181 45 31.5%
1996 129 34 29.3%
1997 104 26 27.1%
1998 95 27 31.0%
1999 122 51 48.1%
2000 70 18 27.3%
2001 - - -
2002 26 4 19.0%
2003 24 19 79.2%
2004 - - -
2005 - - -
2006 - - -
2007 28 14 82.4%
2008 79 36 45.6%
2009 9 3 33.3%
2010 27 5 45.5%
2011 18 7 38.9%
2012 58 14 29.2%
2013 144 90 66.7%
2014 97 31 36.0%
2015 204 116 56.9%
2016 99 40 59.7%
2017 217 53 56.4%
2018 112 4 36.4%
2019 16 - -
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