| Year | Value | | 2022 | 1,340,406 | | 2021 | 1,355,478 | | 2020 | 1,308,490 | | 2019 | 1,262,935 | | 2018 | 1,220,779 | | 2017 | 1,185,425 | | 2016 | 1,159,908 | | 2015 | 1,145,697 | | 2014 | 1,144,592 | | 2013 | 1,157,052 | | 2012 | 1,177,833 | | 2011 | 1,205,368 | | 2010 | 1,243,938 | | 2009 | 1,300,422 | | 2008 | 1,361,066 | | 2007 | 1,427,252 | | 2006 | 1,490,945 | | 2005 | 1,542,904 | | 2004 | 1,574,176 | | 2003 | 1,585,149 | | 2002 | 1,584,761 | | 2001 | 1,577,402 | | 2000 | 1,563,591 | | 1999 | 1,553,094 | | 1998 | 1,521,522 | | 1997 | 1,483,906 | | 1996 | 1,429,842 | | 1995 | 1,337,606 | | 1994 | 1,225,211 | | 1993 | 1,116,006 | | 1992 | 1,009,944 | | 1991 | 928,188 | | 1990 | 902,042 | | 1989 | 921,724 | | 1988 | 951,956 | | 1987 | 985,540 | | 1986 | 1,017,972 | | 1985 | 1,042,292 | | 1984 | 1,053,534 | | 1983 | 1,059,933 | | 1982 | 1,072,595 | | 1981 | 1,086,604 | | 1980 | 1,103,480 | | 1979 | 1,124,694 | | 1978 | 1,144,751 | | 1977 | 1,151,888 | | 1976 | 1,145,472 | | 1975 | 1,141,166 | | 1974 | 1,134,804 | | 1973 | 1,125,060 | | 1972 | 1,117,606 | | 1971 | 1,095,945 | | 1970 | 1,053,645 | | 1969 | 1,003,318 | | 1968 | 926,516 | | 1967 | 826,671 | | 1966 | 747,619 | | 1965 | 695,360 | | 1964 | 678,544 | | 1963 | 712,377 | | 1962 | 779,623 | | 1961 | 848,131 | | 1960 | 906,381 |
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