The IAC implementation rates page provides a breakdown of rates based on the following criteria.
RESET
Average Implementation Rate for All Matching Recommendations: 48.4%


Total Imped Imp Rate
1981 - - -
1982 - - -
1983 - - -
1984 - - -
1985 20 12 60.0%
1986 89 50 56.2%
1987 21 15 71.4%
1988 23 15 65.2%
1989 27 16 59.3%
1990 23 12 52.2%
1991 62 41 66.1%
1992 39 17 43.6%
1993 130 55 42.3%
1994 104 44 42.3%
1995 74 42 56.8%
1996 125 71 56.8%
1997 199 105 52.8%
1998 200 102 51.0%
1999 124 62 50.0%
2000 224 91 42.9%
2001 255 141 55.3%
2002 130 56 43.1%
2003 177 72 47.4%
2004 173 99 57.2%
2005 179 86 48.0%
2006 181 77 47.0%
2007 212 89 45.2%
2008 256 138 53.9%
2009 183 76 41.5%
2010 244 94 39.2%
2011 203 75 39.5%
2012 175 62 39.7%
2013 126 52 41.3%
2014 175 66 39.1%
2015 198 72 45.0%
2016 181 95 52.5%
2017 168 79 58.1%
2018 123 28 63.6%
2019 12 - -
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