Year | Value | 2022 | 366,870 | 2021 | 369,782 | 2020 | 376,196 | 2019 | 381,983 | 2018 | 385,505 | 2017 | 387,379 | 2016 | 388,860 | 2015 | 391,134 | 2014 | 395,875 | 2013 | 402,522 | 2012 | 407,424 | 2011 | 409,957 | 2010 | 407,438 | 2009 | 403,991 | 2008 | 399,865 | 2007 | 395,669 | 2006 | 390,929 | 2005 | 385,887 | 2004 | 380,390 | 2003 | 374,049 | 2002 | 367,915 | 2001 | 361,407 | 2000 | 355,412 | 1999 | 350,816 | 1998 | 348,145 | 1997 | 347,200 | 1996 | 347,554 | 1995 | 343,988 | 1994 | 335,106 | 1993 | 324,036 | 1992 | 307,855 | 1991 | 286,807 | 1990 | 271,511 | 1989 | 266,764 | 1988 | 266,572 | 1987 | 270,740 | 1986 | 279,350 | 1985 | 287,135 | 1984 | 290,545 | 1983 | 291,739 | 1982 | 295,564 | 1981 | 303,289 | 1980 | 312,104 | 1979 | 318,503 | 1978 | 322,202 | 1977 | 323,396 | 1976 | 322,502 | 1975 | 321,619 | 1974 | 322,116 | 1973 | 324,521 | 1972 | 327,155 | 1971 | 329,478 | 1970 | 332,157 | 1969 | 326,630 | 1968 | 304,885 | 1967 | 276,124 | 1966 | 249,091 | 1965 | 227,712 | 1964 | 223,711 | 1963 | 240,541 | 1962 | 265,794 | 1961 | 288,994 | 1960 | 305,321 |
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