| Year | Value | | 2022 | 1,727,804 | | 2021 | 1,724,119 | | 2020 | 1,722,668 | | 2019 | 1,723,630 | | 2018 | 1,726,455 | | 2017 | 1,728,499 | | 2016 | 1,726,314 | | 2015 | 1,718,095 | | 2014 | 1,702,407 | | 2013 | 1,681,826 | | 2012 | 1,661,155 | | 2011 | 1,640,698 | | 2010 | 1,620,482 | | 2009 | 1,618,096 | | 2008 | 1,607,579 | | 2007 | 1,600,442 | | 2006 | 1,597,000 | | 2005 | 1,596,639 | | 2004 | 1,597,728 | | 2003 | 1,597,715 | | 2002 | 1,594,131 | | 2001 | 1,584,319 | | 2000 | 1,566,637 | | 1999 | 1,542,693 | | 1998 | 1,513,260 | | 1997 | 1,478,267 | | 1996 | 1,440,316 | | 1995 | 1,401,292 | | 1994 | 1,361,109 | | 1993 | 1,321,944 | | 1992 | 1,287,492 | | 1991 | 1,258,576 | | 1990 | 1,234,825 | | 1989 | 1,215,807 | | 1988 | 1,200,841 | | 1987 | 1,188,073 | | 1986 | 1,174,406 | | 1985 | 1,159,794 | | 1984 | 1,145,770 | | 1983 | 1,132,519 | | 1982 | 1,122,384 | | 1981 | 1,116,071 | | 1980 | 1,111,304 | | 1979 | 1,106,741 | | 1978 | 1,101,593 | | 1977 | 1,093,796 | | 1976 | 1,084,005 | | 1975 | 1,073,978 | | 1974 | 1,060,259 | | 1973 | 1,044,749 | | 1972 | 1,030,983 | | 1971 | 1,016,939 | | 1970 | 1,001,783 | | 1969 | 985,572 | | 1968 | 966,253 | | 1967 | 943,439 | | 1966 | 919,835 | | 1965 | 896,785 | | 1964 | 874,979 | | 1963 | 855,139 | | 1962 | 837,659 | | 1961 | 822,945 | | 1960 | 811,204 |
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