The IAC implementation rates page provides a breakdown of rates based on the following criteria.
RESET
Average Implementation Rate for All Matching Recommendations: 48.0%


Total Imped Imp Rate
1981 70 26 37.1%
1982 238 74 31.1%
1983 342 144 42.1%
1984 504 257 51.0%
1985 284 166 58.5%
1986 75 46 61.3%
1987 61 42 68.9%
1988 101 67 66.3%
1989 88 55 62.5%
1990 69 45 65.2%
1991 105 35 33.3%
1992 190 83 43.7%
1993 130 50 40.0%
1994 147 70 47.6%
1995 70 32 45.7%
1996 82 56 68.3%
1997 85 45 58.4%
1998 166 91 61.9%
1999 115 54 53.5%
2000 61 12 21.4%
2001 19 9 47.4%
2002 29 16 55.2%
2003 20 3 15.0%
2004 21 5 71.4%
2005 8 4 50.0%
2006 13 6 46.2%
2007 24 8 33.3%
2008 14 6 42.9%
2009 9 5 55.6%
2010 64 21 32.8%
2011 9 4 44.4%
2012 56 28 50.0%
2013 56 23 41.1%
2014 59 29 49.2%
2015 98 41 41.8%
2016 70 27 38.6%
2017 105 32 36.8%
2018 45 9 47.4%
2019 38 - -
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