| Year | Value | | 2022 | 1,611,831 | | 2021 | 1,601,946 | | 2020 | 1,588,216 | | 2019 | 1,575,291 | | 2018 | 1,565,461 | | 2017 | 1,555,222 | | 2016 | 1,544,229 | | 2015 | 1,532,278 | | 2014 | 1,519,915 | | 2013 | 1,507,196 | | 2012 | 1,493,944 | | 2011 | 1,481,009 | | 2010 | 1,469,278 | | 2009 | 1,458,036 | | 2008 | 1,447,087 | | 2007 | 1,436,617 | | 2006 | 1,425,466 | | 2005 | 1,413,678 | | 2004 | 1,401,943 | | 2003 | 1,390,119 | | 2002 | 1,378,509 | | 2001 | 1,366,602 | | 2000 | 1,353,488 | | 1999 | 1,339,001 | | 1998 | 1,322,681 | | 1997 | 1,305,454 | | 1996 | 1,288,103 | | 1995 | 1,270,119 | | 1994 | 1,251,407 | | 1993 | 1,232,875 | | 1992 | 1,214,755 | | 1991 | 1,197,637 | | 1990 | 1,182,715 | | 1989 | 1,168,645 | | 1988 | 1,154,702 | | 1987 | 1,140,835 | | 1986 | 1,126,162 | | 1985 | 1,109,893 | | 1984 | 1,091,747 | | 1983 | 1,072,093 | | 1982 | 1,051,698 | | 1981 | 1,024,525 | | 1980 | 998,133 | | 1979 | 973,215 | | 1978 | 949,637 | | 1977 | 926,772 | | 1976 | 904,278 | | 1975 | 881,622 | | 1974 | 858,520 | | 1973 | 835,184 | | 1972 | 811,991 | | 1971 | 789,502 | | 1970 | 768,251 | | 1969 | 744,780 | | 1968 | 721,531 | | 1967 | 698,971 | | 1966 | 676,832 | | 1965 | 655,099 | | 1964 | 633,831 | | 1963 | 613,137 | | 1962 | 593,341 | | 1961 | 573,995 | | 1960 | 554,599 |
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