| Year | Value | | 2022 | 1,722,144 | | 2021 | 1,699,389 | | 2020 | 1,677,226 | | 2019 | 1,654,654 | | 2018 | 1,631,310 | | 2017 | 1,606,626 | | 2016 | 1,580,349 | | 2015 | 1,552,579 | | 2014 | 1,523,090 | | 2013 | 1,490,761 | | 2012 | 1,456,533 | | 2011 | 1,421,730 | | 2010 | 1,387,146 | | 2009 | 1,354,393 | | 2008 | 1,325,001 | | 2007 | 1,297,325 | | 2006 | 1,269,721 | | 2005 | 1,242,168 | | 2004 | 1,213,740 | | 2003 | 1,183,721 | | 2002 | 1,151,449 | | 2001 | 1,117,134 | | 2000 | 1,081,554 | | 1999 | 1,045,416 | | 1998 | 1,000,086 | | 1997 | 948,395 | | 1996 | 902,114 | | 1995 | 860,025 | | 1994 | 820,407 | | 1993 | 793,033 | | 1992 | 776,450 | | 1991 | 759,552 | | 1990 | 744,165 | | 1989 | 731,895 | | 1988 | 723,487 | | 1987 | 718,572 | | 1986 | 716,083 | | 1985 | 714,744 | | 1984 | 713,971 | | 1983 | 713,665 | | 1982 | 713,863 | | 1981 | 712,954 | | 1980 | 709,197 | | 1979 | 702,898 | | 1978 | 693,769 | | 1977 | 682,222 | | 1976 | 669,986 | | 1975 | 657,699 | | 1974 | 644,820 | | 1973 | 631,021 | | 1972 | 616,433 | | 1971 | 602,597 | | 1970 | 590,787 | | 1969 | 580,900 | | 1968 | 573,395 | | 1967 | 567,234 | | 1966 | 559,728 | | 1965 | 549,436 | | 1964 | 536,819 | | 1963 | 521,891 | | 1962 | 505,329 | | 1961 | 489,794 | | 1960 | 476,872 |
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