| Year | Value | | 2022 | 1,448,006 | | 2021 | 1,508,482 | | 2020 | 1,631,041 | | 2019 | 1,690,159 | | 2018 | 1,644,002 | | 2017 | 1,604,378 | | 2016 | 1,520,380 | | 2015 | 1,428,396 | | 2014 | 1,437,861 | | 2013 | 1,518,405 | | 2012 | 1,606,436 | | 2011 | 1,698,428 | | 2010 | 1,761,070 | | 2009 | 1,747,714 | | 2008 | 1,696,131 | | 2007 | 1,664,495 | | 2006 | 1,652,782 | | 2005 | 1,649,427 | | 2004 | 1,676,122 | | 2003 | 1,683,186 | | 2002 | 1,618,968 | | 2001 | 1,527,234 | | 2000 | 1,432,157 | | 1999 | 1,346,967 | | 1998 | 1,272,564 | | 1997 | 1,203,655 | | 1996 | 1,140,776 | | 1995 | 1,084,495 | | 1994 | 1,026,475 | | 1993 | 975,368 | | 1992 | 943,011 | | 1991 | 915,849 | | 1990 | 883,416 | | 1989 | 845,841 | | 1988 | 804,968 | | 1987 | 761,525 | | 1986 | 716,418 | | 1985 | 669,980 | | 1984 | 623,368 | | 1983 | 578,023 | | 1982 | 535,438 | | 1981 | 496,672 | | 1980 | 461,284 | | 1979 | 428,743 | | 1978 | 397,606 | | 1977 | 368,848 | | 1976 | 344,437 | | 1975 | 323,036 | | 1974 | 300,482 | | 1973 | 278,474 | | 1972 | 259,303 | | 1971 | 241,795 | | 1970 | 227,186 | | 1969 | 214,949 | | 1968 | 204,442 | | 1967 | 195,220 | | 1966 | 186,983 | | 1965 | 179,357 | | 1964 | 172,125 | | 1963 | 165,266 | | 1962 | 158,802 | | 1961 | 152,999 | | 1960 | 148,162 |
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