| Year | Value | | 2022 | 839,503 | | 2021 | 853,630 | | 2020 | 880,178 | | 2019 | 893,084 | | 2018 | 889,965 | | 2017 | 878,169 | | 2016 | 866,065 | | 2015 | 856,380 | | 2014 | 848,375 | | 2013 | 840,285 | | 2012 | 831,553 | | 2011 | 824,921 | | 2010 | 821,739 | | 2009 | 809,705 | | 2008 | 784,350 | | 2007 | 758,564 | | 2006 | 737,058 | | 2005 | 720,175 | | 2004 | 703,770 | | 2003 | 687,292 | | 2002 | 670,425 | | 2001 | 657,711 | | 2000 | 652,262 | | 1999 | 656,490 | | 1998 | 667,841 | | 1997 | 684,827 | | 1996 | 703,670 | | 1995 | 718,382 | | 1994 | 726,010 | | 1993 | 727,108 | | 1992 | 721,064 | | 1991 | 706,532 | | 1990 | 690,406 | | 1989 | 679,120 | | 1988 | 674,161 | | 1987 | 675,306 | | 1986 | 680,313 | | 1985 | 684,912 | | 1984 | 685,886 | | 1983 | 683,101 | | 1982 | 674,641 | | 1981 | 659,651 | | 1980 | 643,731 | | 1979 | 628,670 | | 1978 | 614,340 | | 1977 | 602,241 | | 1976 | 593,767 | | 1975 | 589,484 | | 1974 | 585,801 | | 1973 | 574,249 | | 1972 | 572,197 | | 1971 | 569,894 | | 1970 | 549,882 | | 1969 | 529,725 | | 1968 | 504,722 | | 1967 | 474,774 | | 1966 | 446,611 | | 1965 | 420,648 | | 1964 | 399,578 | | 1963 | 381,723 | | 1962 | 369,974 | | 1961 | 357,867 | | 1960 | 345,392 |
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