Year | Value | 2022 | 108,645 | 2021 | 110,544 | 2020 | 112,628 | 2019 | 114,466 | 2018 | 117,303 | 2017 | 121,024 | 2016 | 126,270 | 2015 | 132,815 | 2014 | 139,284 | 2013 | 145,913 | 2012 | 152,577 | 2011 | 157,639 | 2010 | 159,948 | 2009 | 159,225 | 2008 | 157,249 | 2007 | 153,514 | 2006 | 149,366 | 2005 | 145,616 | 2004 | 142,779 | 2003 | 141,097 | 2002 | 140,490 | 2001 | 141,233 | 2000 | 143,948 | 1999 | 147,684 | 1998 | 151,433 | 1997 | 155,597 | 1996 | 161,050 | 1995 | 167,915 | 1994 | 175,978 | 1993 | 180,311 | 1992 | 179,493 | 1991 | 177,976 | 1990 | 177,120 | 1989 | 180,336 | 1988 | 185,652 | 1987 | 191,134 | 1986 | 198,049 | 1985 | 203,526 | 1984 | 205,703 | 1983 | 204,249 | 1982 | 201,040 | 1981 | 197,499 | 1980 | 193,251 | 1979 | 189,079 | 1978 | 185,013 | 1977 | 180,294 | 1976 | 175,251 | 1975 | 170,278 | 1974 | 165,173 | 1973 | 159,859 | 1972 | 153,862 | 1971 | 145,741 | 1970 | 134,363 | 1969 | 123,243 | 1968 | 116,278 | 1967 | 113,973 | 1966 | 116,253 | 1965 | 121,656 | 1964 | 131,559 | 1963 | 146,097 | 1962 | 162,251 | 1961 | 177,154 | 1960 | 186,812 |
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