Year | Value | 2022 | 556,264 | 2021 | 548,890 | 2020 | 541,471 | 2019 | 533,626 | 2018 | 525,424 | 2017 | 517,141 | 2016 | 508,832 | 2015 | 500,482 | 2014 | 492,063 | 2013 | 483,527 | 2012 | 474,899 | 2011 | 466,253 | 2010 | 457,521 | 2009 | 448,524 | 2008 | 439,452 | 2007 | 430,661 | 2006 | 421,567 | 2005 | 413,536 | 2004 | 407,280 | 2003 | 401,257 | 2002 | 392,572 | 2001 | 380,707 | 2000 | 368,935 | 1999 | 357,573 | 1998 | 345,318 | 1997 | 331,724 | 1996 | 320,139 | 1995 | 312,600 | 1994 | 309,483 | 1993 | 303,343 | 1992 | 309,348 | 1991 | 312,096 | 1990 | 286,596 | 1989 | 258,712 | 1988 | 239,415 | 1987 | 224,441 | 1986 | 210,507 | 1985 | 198,769 | 1984 | 189,526 | 1983 | 182,333 | 1982 | 176,038 | 1981 | 169,167 | 1980 | 160,619 | 1979 | 150,059 | 1978 | 137,937 | 1977 | 125,371 | 1976 | 113,579 | 1975 | 103,299 | 1974 | 94,770 | 1973 | 87,799 | 1972 | 81,806 | 1971 | 76,347 | 1970 | 71,463 | 1969 | 67,010 | 1968 | 63,188 | 1967 | 59,971 | 1966 | 56,855 | 1965 | 53,836 | 1964 | 50,956 | 1963 | 48,349 | 1962 | 46,102 | 1961 | 44,201 | 1960 | 42,556 |
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