Year | Value | 2022 | 81,628 | 2021 | 82,476 | 2020 | 84,642 | 2019 | 87,551 | 2018 | 91,711 | 2017 | 97,500 | 2016 | 104,272 | 2015 | 110,748 | 2014 | 115,451 | 2013 | 117,118 | 2012 | 115,962 | 2011 | 115,413 | 2010 | 118,266 | 2009 | 124,456 | 2008 | 133,221 | 2007 | 141,933 | 2006 | 148,781 | 2005 | 154,823 | 2004 | 161,991 | 2003 | 169,191 | 2002 | 174,855 | 2001 | 178,930 | 2000 | 181,131 | 1999 | 181,341 | 1998 | 179,707 | 1997 | 175,194 | 1996 | 164,710 | 1995 | 151,090 | 1994 | 146,909 | 1993 | 152,935 | 1992 | 169,884 | 1991 | 184,473 | 1990 | 186,907 | 1989 | 188,951 | 1988 | 191,065 | 1987 | 193,368 | 1986 | 196,018 | 1985 | 199,544 | 1984 | 203,937 | 1983 | 208,695 | 1982 | 213,358 | 1981 | 217,528 | 1980 | 220,499 | 1979 | 222,027 | 1978 | 222,354 | 1977 | 221,533 | 1976 | 220,170 | 1975 | 218,975 | 1974 | 218,125 | 1973 | 217,163 | 1972 | 215,637 | 1971 | 212,816 | 1970 | 208,407 | 1969 | 202,550 | 1968 | 195,655 | 1967 | 188,056 | 1966 | 179,558 | 1965 | 170,184 | 1964 | 160,483 | 1963 | 151,429 | 1962 | 144,258 | 1961 | 140,455 | 1960 | 140,614 |
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