Year 2010 = 100 1983 28.8519578652377 1984 31.4197821152438 1985 33.6990867865976 1986 35.7764277528947 1987 38.7193274551489 1988 41.5059457189664 1989 44.7188736767354 1990 47.6458550177437 1991 51.5498206326845 1992 54.5522601086713 1993 56.7206886191063 1994 59.4054096320255 1995 63.1147726883372 1996 65.4658893150362 1997 67.856720749618 1998 69.9774914905929 1999 71.8599733842672 2000 73.9886870868188 2001 75.4561293807074 2002 77.5093154473666 2003 79.611827305417 2004 82.5035518257268 2005 84.1682972851802 2006 86.8829381335364 2007 89.4607065356858 2008 93.3477993518555 2009 96.7689059367806 2010 100 2011 103.240028420095 2012 108.001297808887 2013 113.74290094179 2014 119.004136828432 2015 124.284792209994 2016 128.795583680247 2017 135.633145958134 2018 145.544662556429 2019 155.325373517033 2020 164.076639849227 2021 173.439427529047 2022 187.846106359388 2023 205.370262060998