| Year | Value | | 2022 | 1,384,256 | | 2021 | 1,350,824 | | 2020 | 1,335,269 | | 2019 | 1,332,102 | | 2018 | 1,341,813 | | 2017 | 1,365,600 | | 2016 | 1,402,170 | | 2015 | 1,450,147 | | 2014 | 1,502,964 | | 2013 | 1,553,908 | | 2012 | 1,597,879 | | 2011 | 1,631,809 | | 2010 | 1,632,480 | | 2009 | 1,615,818 | | 2008 | 1,607,538 | | 2007 | 1,595,146 | | 2006 | 1,579,275 | | 2005 | 1,558,838 | | 2004 | 1,534,777 | | 2003 | 1,503,304 | | 2002 | 1,459,550 | | 2001 | 1,407,375 | | 2000 | 1,356,487 | | 1999 | 1,311,455 | | 1998 | 1,277,625 | | 1997 | 1,245,065 | | 1996 | 1,216,065 | | 1995 | 1,190,195 | | 1994 | 1,167,543 | | 1993 | 1,146,056 | | 1992 | 1,122,474 | | 1991 | 1,097,758 | | 1990 | 1,075,920 | | 1989 | 1,055,462 | | 1988 | 1,029,583 | | 1987 | 1,005,834 | | 1986 | 987,566 | | 1985 | 975,356 | | 1984 | 968,576 | | 1983 | 964,728 | | 1982 | 961,319 | | 1981 | 954,644 | | 1980 | 941,499 | | 1979 | 920,711 | | 1978 | 891,772 | | 1977 | 854,555 | | 1976 | 813,181 | | 1975 | 771,587 | | 1974 | 731,186 | | 1973 | 693,954 | | 1972 | 659,837 | | 1971 | 627,653 | | 1970 | 597,289 | | 1969 | 557,101 | | 1968 | 506,276 | | 1967 | 454,992 | | 1966 | 404,155 | | 1965 | 355,509 | | 1964 | 321,267 | | 1963 | 302,829 | | 1962 | 290,906 | | 1961 | 285,812 | | 1960 | 286,261 |
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