Year | Value | 2022 | 793,444 | 2021 | 816,818 | 2020 | 770,905 | 2019 | 705,276 | 2018 | 636,298 | 2017 | 567,672 | 2016 | 512,955 | 2015 | 493,861 | 2014 | 501,392 | 2013 | 510,940 | 2012 | 523,713 | 2011 | 535,311 | 2010 | 541,199 | 2009 | 544,953 | 2008 | 545,538 | 2007 | 548,295 | 2006 | 552,854 | 2005 | 558,745 | 2004 | 564,712 | 2003 | 567,238 | 2002 | 560,677 | 2001 | 544,000 | 2000 | 528,202 | 1999 | 518,455 | 1998 | 502,038 | 1997 | 490,288 | 1996 | 478,589 | 1995 | 462,654 | 1994 | 444,263 | 1993 | 415,713 | 1992 | 378,024 | 1991 | 346,547 | 1990 | 319,969 | 1989 | 306,316 | 1988 | 320,473 | 1987 | 352,852 | 1986 | 387,485 | 1985 | 421,244 | 1984 | 443,039 | 1983 | 448,590 | 1982 | 448,856 | 1981 | 447,321 | 1980 | 441,333 | 1979 | 430,200 | 1978 | 420,231 | 1977 | 409,243 | 1976 | 395,079 | 1975 | 382,928 | 1974 | 368,518 | 1973 | 350,322 | 1972 | 331,555 | 1971 | 314,522 | 1970 | 299,320 | 1969 | 284,848 | 1968 | 272,093 | 1967 | 256,200 | 1966 | 239,495 | 1965 | 225,378 | 1964 | 213,939 | 1963 | 204,804 | 1962 | 199,281 | 1961 | 195,979 | 1960 | 191,233 |
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