Year | Value | 2022 | 180,553 | 2021 | 175,855 | 2020 | 171,419 | 2019 | 167,763 | 2018 | 165,236 | 2017 | 163,447 | 2016 | 162,073 | 2015 | 161,029 | 2014 | 159,239 | 2013 | 157,095 | 2012 | 155,291 | 2011 | 152,905 | 2010 | 150,525 | 2009 | 149,290 | 2008 | 148,970 | 2007 | 149,378 | 2006 | 151,405 | 2005 | 152,861 | 2004 | 151,932 | 2003 | 148,503 | 2002 | 141,747 | 2001 | 131,517 | 2000 | 121,265 | 1999 | 113,066 | 1998 | 106,197 | 1997 | 101,315 | 1996 | 98,249 | 1995 | 95,564 | 1994 | 92,501 | 1993 | 90,338 | 1992 | 89,635 | 1991 | 90,242 | 1990 | 92,074 | 1989 | 94,560 | 1988 | 96,808 | 1987 | 98,681 | 1986 | 100,672 | 1985 | 102,840 | 1984 | 105,333 | 1983 | 108,778 | 1982 | 112,364 | 1981 | 115,367 | 1980 | 118,871 | 1979 | 120,789 | 1978 | 120,190 | 1977 | 119,776 | 1976 | 118,752 | 1975 | 115,966 | 1974 | 114,405 | 1973 | 114,499 | 1972 | 113,870 | 1971 | 113,485 | 1970 | 113,313 | 1969 | 112,748 | 1968 | 111,634 | 1967 | 109,681 | 1966 | 107,479 | 1965 | 105,376 | 1964 | 102,938 | 1963 | 100,865 | 1962 | 99,728 | 1961 | 98,927 | 1960 | 98,113 |
|