The IAC implementation rates page provides a breakdown of rates based on the following criteria.
RESET
Average Implementation Rate for All Matching Recommendations: 49.0%


Total Imped Imp Rate
1981 - - -
1982 - - -
1983 - - -
1984 - - -
1985 - - -
1986 - - -
1987 - - -
1988 - - -
1989 - - -
1990 - - -
1991 108 64 59.3%
1992 222 90 40.5%
1993 384 255 66.4%
1994 509 283 56.6%
1995 522 317 61.9%
1996 576 344 60.9%
1997 538 361 67.7%
1998 548 218 41.1%
1999 494 208 43.8%
2000 467 197 46.4%
2001 618 240 40.5%
2002 601 193 33.3%
2003 574 206 36.2%
2004 558 237 44.6%
2005 490 199 41.9%
2006 347 134 42.0%
2007 176 80 48.2%
2008 199 85 47.2%
2009 182 94 54.0%
2010 178 88 52.7%
2011 199 82 44.1%
2012 268 119 49.4%
2013 298 122 40.9%
2014 197 109 55.3%
2015 272 152 57.8%
2016 315 153 50.3%
2017 228 134 58.8%
2018 230 22 50.0%
2019 17 - -
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