| Year | Value | | 2022 | 1,436,096 | | 2021 | 1,408,173 | | 2020 | 1,392,214 | | 2019 | 1,362,177 | | 2018 | 1,320,147 | | 2017 | 1,281,205 | | 2016 | 1,243,002 | | 2015 | 1,207,728 | | 2014 | 1,173,647 | | 2013 | 1,141,524 | | 2012 | 1,111,348 | | 2011 | 1,077,023 | | 2010 | 1,040,386 | | 2009 | 1,005,802 | | 2008 | 974,191 | | 2007 | 944,162 | | 2006 | 913,528 | | 2005 | 883,586 | | 2004 | 855,195 | | 2003 | 829,945 | | 2002 | 804,048 | | 2001 | 771,167 | | 2000 | 734,630 | | 1999 | 707,995 | | 1998 | 700,702 | | 1997 | 704,306 | | 1996 | 705,174 | | 1995 | 698,495 | | 1994 | 683,957 | | 1993 | 666,581 | | 1992 | 648,005 | | 1991 | 627,600 | | 1990 | 606,842 | | 1989 | 586,064 | | 1988 | 565,044 | | 1987 | 541,770 | | 1986 | 519,431 | | 1985 | 500,053 | | 1984 | 480,114 | | 1983 | 459,948 | | 1982 | 442,571 | | 1981 | 426,716 | | 1980 | 412,462 | | 1979 | 401,269 | | 1978 | 392,587 | | 1977 | 385,371 | | 1976 | 381,522 | | 1975 | 379,686 | | 1974 | 377,667 | | 1973 | 376,082 | | 1972 | 374,573 | | 1971 | 371,402 | | 1970 | 367,111 | | 1969 | 363,633 | | 1968 | 361,304 | | 1967 | 357,467 | | 1966 | 353,390 | | 1965 | 350,511 | | 1964 | 345,952 | | 1963 | 344,879 | | 1962 | 345,275 | | 1961 | 341,952 | | 1960 | 336,290 |
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