Year | Value | 2022 | 100,750 | 2021 | 105,161 | 2020 | 112,675 | 2019 | 114,843 | 2018 | 116,033 | 2017 | 116,421 | 2016 | 117,220 | 2015 | 118,383 | 2014 | 120,447 | 2013 | 123,083 | 2012 | 126,438 | 2011 | 129,585 | 2010 | 132,706 | 2009 | 136,326 | 2008 | 139,663 | 2007 | 142,118 | 2006 | 144,407 | 2005 | 146,468 | 2004 | 147,651 | 2003 | 148,295 | 2002 | 148,609 | 2001 | 148,438 | 2000 | 153,227 | 1999 | 153,157 | 1998 | 152,388 | 1997 | 151,295 | 1996 | 151,046 | 1995 | 153,304 | 1994 | 153,358 | 1993 | 148,516 | 1992 | 147,552 | 1991 | 155,429 | 1990 | 163,547 | 1989 | 166,740 | 1988 | 168,614 | 1987 | 170,182 | 1986 | 171,333 | 1985 | 172,278 | 1984 | 174,183 | 1983 | 176,643 | 1982 | 178,633 | 1981 | 180,793 | 1980 | 183,565 | 1979 | 186,365 | 1978 | 188,326 | 1977 | 189,373 | 1976 | 188,710 | 1975 | 186,838 | 1974 | 185,080 | 1973 | 183,088 | 1972 | 180,186 | 1971 | 175,748 | 1970 | 168,994 | 1969 | 160,438 | 1968 | 152,341 | 1967 | 146,952 | 1966 | 145,513 | 1965 | 147,615 | 1964 | 152,001 | 1963 | 157,114 | 1962 | 161,715 | 1961 | 165,499 | 1960 | 168,937 |
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