| Year | Value | | 2022 | 1,282,046 | | 2021 | 1,243,065 | | 2020 | 1,222,277 | | 2019 | 1,200,101 | | 2018 | 1,179,782 | | 2017 | 1,166,167 | | 2016 | 1,162,997 | | 2015 | 1,167,085 | | 2014 | 1,178,054 | | 2013 | 1,185,898 | | 2012 | 1,191,788 | | 2011 | 1,197,768 | | 2010 | 1,213,863 | | 2009 | 1,244,099 | | 2008 | 1,286,162 | | 2007 | 1,330,707 | | 2006 | 1,367,437 | | 2005 | 1,385,837 | | 2004 | 1,384,855 | | 2003 | 1,370,320 | | 2002 | 1,351,854 | | 2001 | 1,328,308 | | 2000 | 1,301,280 | | 1999 | 1,275,657 | | 1998 | 1,249,910 | | 1997 | 1,218,678 | | 1996 | 1,183,460 | | 1995 | 1,149,722 | | 1994 | 1,118,638 | | 1993 | 1,093,039 | | 1992 | 1,077,960 | | 1991 | 1,062,512 | | 1990 | 1,032,777 | | 1989 | 991,320 | | 1988 | 945,453 | | 1987 | 898,981 | | 1986 | 849,404 | | 1985 | 809,817 | | 1984 | 778,404 | | 1983 | 748,966 | | 1982 | 721,803 | | 1981 | 697,662 | | 1980 | 677,599 | | 1979 | 661,501 | | 1978 | 653,520 | | 1977 | 653,220 | | 1976 | 656,324 | | 1975 | 659,511 | | 1974 | 661,642 | | 1973 | 661,661 | | 1972 | 659,414 | | 1971 | 656,006 | | 1970 | 642,761 | | 1969 | 642,204 | | 1968 | 641,207 | | 1967 | 635,278 | | 1966 | 624,789 | | 1965 | 611,492 | | 1964 | 597,164 | | 1963 | 582,736 | | 1962 | 570,579 | | 1961 | 561,244 | | 1960 | 553,805 |
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