Year | Value | 2022 | 390,651 | 2021 | 387,605 | 2020 | 385,349 | 2019 | 381,227 | 2018 | 377,647 | 2017 | 373,817 | 2016 | 370,922 | 2015 | 369,372 | 2014 | 365,849 | 2013 | 360,089 | 2012 | 354,650 | 2011 | 349,266 | 2010 | 343,403 | 2009 | 337,954 | 2008 | 334,137 | 2007 | 332,630 | 2006 | 332,006 | 2005 | 329,418 | 2004 | 322,996 | 2003 | 312,237 | 2002 | 297,216 | 2001 | 281,953 | 2000 | 272,696 | 1999 | 272,066 | 1998 | 279,048 | 1997 | 291,185 | 1996 | 304,863 | 1995 | 316,720 | 1994 | 325,707 | 1993 | 331,911 | 1992 | 335,410 | 1991 | 336,397 | 1990 | 334,282 | 1989 | 331,424 | 1988 | 329,703 | 1987 | 327,673 | 1986 | 323,944 | 1985 | 318,151 | 1984 | 310,333 | 1983 | 299,986 | 1982 | 287,689 | 1981 | 274,918 | 1980 | 262,234 | 1979 | 251,114 | 1978 | 241,726 | 1977 | 234,997 | 1976 | 231,053 | 1975 | 229,402 | 1974 | 231,952 | 1973 | 237,724 | 1972 | 244,139 | 1971 | 249,617 | 1970 | 253,378 | 1969 | 254,308 | 1968 | 251,826 | 1967 | 246,189 | 1966 | 238,254 | 1965 | 229,627 | 1964 | 221,693 | 1963 | 214,542 | 1962 | 208,426 | 1961 | 203,291 | 1960 | 199,119 |
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