The IAC implementation rates page provides a breakdown of rates based on the following criteria.
RESET
Average Implementation Rate for All Matching Recommendations: 57.0%


Total Imped Imp Rate
1981 - - -
1982 - - -
1983 - - -
1984 122 92 75.4%
1985 290 174 60.0%
1986 317 184 58.0%
1987 249 167 67.1%
1988 225 153 68.0%
1989 208 152 73.1%
1990 197 132 67.0%
1991 205 141 68.8%
1992 274 225 82.1%
1993 207 94 45.4%
1994 202 90 44.6%
1995 188 107 56.9%
1996 159 82 51.6%
1997 175 77 44.0%
1998 145 64 53.3%
1999 135 50 44.2%
2000 184 92 52.6%
2001 82 42 51.2%
2002 86 38 44.2%
2003 75 24 32.0%
2004 131 71 54.2%
2005 102 49 48.0%
2006 110 54 49.1%
2007 54 21 38.9%
2008 36 19 52.8%
2009 55 11 26.8%
2010 75 31 45.6%
2011 46 15 32.6%
2012 63 26 41.3%
2013 76 42 55.3%
2014 59 22 48.9%
2015 89 24 50.0%
2016 52 5 31.3%
2017 - - -
2018 - - -
2019 17 - -
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