Year | Value | 2022 | 240,672 | 2021 | 244,596 | 2020 | 247,140 | 2019 | 248,177 | 2018 | 250,284 | 2017 | 252,782 | 2016 | 253,416 | 2015 | 253,136 | 2014 | 253,577 | 2013 | 253,437 | 2012 | 251,489 | 2011 | 247,958 | 2010 | 242,105 | 2009 | 236,729 | 2008 | 231,931 | 2007 | 226,887 | 2006 | 224,439 | 2005 | 223,114 | 2004 | 221,068 | 2003 | 218,457 | 2002 | 215,934 | 2001 | 212,242 | 2000 | 208,585 | 1999 | 207,588 | 1998 | 209,034 | 1997 | 212,450 | 1996 | 218,469 | 1995 | 225,792 | 1994 | 232,768 | 1993 | 239,802 | 1992 | 246,677 | 1991 | 252,453 | 1990 | 257,144 | 1989 | 261,640 | 1988 | 265,226 | 1987 | 266,475 | 1986 | 264,992 | 1985 | 260,851 | 1984 | 254,850 | 1983 | 248,701 | 1982 | 242,783 | 1981 | 236,852 | 1980 | 231,915 | 1979 | 227,876 | 1978 | 224,910 | 1977 | 223,277 | 1976 | 223,174 | 1975 | 226,385 | 1974 | 231,730 | 1973 | 236,653 | 1972 | 239,295 | 1971 | 241,936 | 1970 | 250,105 | 1969 | 256,933 | 1968 | 256,871 | 1967 | 253,762 | 1966 | 248,417 | 1965 | 242,662 | 1964 | 235,837 | 1963 | 225,069 | 1962 | 211,469 | 1961 | 199,298 | 1960 | 192,457 |
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