Year | Value | 2022 | 350,978 | 2021 | 365,187 | 2020 | 375,840 | 2019 | 379,968 | 2018 | 377,066 | 2017 | 368,482 | 2016 | 355,653 | 2015 | 341,930 | 2014 | 329,279 | 2013 | 317,756 | 2012 | 308,304 | 2011 | 301,020 | 2010 | 295,171 | 2009 | 290,570 | 2008 | 286,088 | 2007 | 282,234 | 2006 | 279,726 | 2005 | 279,046 | 2004 | 281,655 | 2003 | 286,904 | 2002 | 292,720 | 2001 | 298,467 | 2000 | 302,124 | 1999 | 302,473 | 1998 | 303,239 | 1997 | 307,492 | 1996 | 313,781 | 1995 | 321,233 | 1994 | 328,765 | 1993 | 332,173 | 1992 | 328,759 | 1991 | 320,297 | 1990 | 309,542 | 1989 | 298,604 | 1988 | 290,921 | 1987 | 288,006 | 1986 | 288,477 | 1985 | 290,480 | 1984 | 291,770 | 1983 | 293,133 | 1982 | 295,026 | 1981 | 296,055 | 1980 | 298,592 | 1979 | 304,724 | 1978 | 312,927 | 1977 | 322,163 | 1976 | 332,951 | 1975 | 343,165 | 1974 | 350,539 | 1973 | 353,272 | 1972 | 349,297 | 1971 | 336,994 | 1970 | 317,648 | 1969 | 296,604 | 1968 | 277,833 | 1967 | 262,574 | 1966 | 251,605 | 1965 | 243,559 | 1964 | 235,337 | 1963 | 227,787 | 1962 | 223,217 | 1961 | 221,271 | 1960 | 221,537 |
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