Year | Value | 2022 | 296,253 | 2021 | 308,255 | 2020 | 321,199 | 2019 | 332,681 | 2018 | 341,122 | 2017 | 346,164 | 2016 | 348,500 | 2015 | 349,013 | 2014 | 348,365 | 2013 | 348,216 | 2012 | 351,134 | 2011 | 358,607 | 2010 | 371,305 | 2009 | 387,372 | 2008 | 402,158 | 2007 | 411,358 | 2006 | 414,012 | 2005 | 411,726 | 2004 | 405,880 | 2003 | 398,359 | 2002 | 389,377 | 2001 | 376,569 | 2000 | 360,704 | 1999 | 346,138 | 1998 | 336,529 | 1997 | 335,182 | 1996 | 346,945 | 1995 | 370,124 | 1994 | 399,748 | 1993 | 433,713 | 1992 | 469,066 | 1991 | 502,676 | 1990 | 530,726 | 1989 | 551,071 | 1988 | 564,082 | 1987 | 571,657 | 1986 | 576,446 | 1985 | 580,738 | 1984 | 584,653 | 1983 | 585,961 | 1982 | 581,656 | 1981 | 569,094 | 1980 | 547,876 | 1979 | 520,628 | 1978 | 491,142 | 1977 | 463,763 | 1976 | 442,112 | 1975 | 427,134 | 1974 | 417,719 | 1973 | 411,833 | 1972 | 406,994 | 1971 | 401,383 | 1970 | 395,294 | 1969 | 389,110 | 1968 | 381,832 | 1967 | 373,856 | 1966 | 366,529 | 1965 | 359,354 | 1964 | 352,697 | 1963 | 348,413 | 1962 | 345,954 | 1961 | 343,626 | 1960 | 340,919 |
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