| Year | Value | | 2022 | 1,444,240 | | 2021 | 1,400,237 | | 2020 | 1,355,581 | | 2019 | 1,310,948 | | 2018 | 1,268,309 | | 2017 | 1,231,266 | | 2016 | 1,200,433 | | 2015 | 1,175,940 | | 2014 | 1,158,016 | | 2013 | 1,145,223 | | 2012 | 1,135,011 | | 2011 | 1,123,855 | | 2010 | 1,111,404 | | 2009 | 1,109,136 | | 2008 | 1,098,666 | | 2007 | 1,090,421 | | 2006 | 1,084,700 | | 2005 | 1,079,034 | | 2004 | 1,072,336 | | 2003 | 1,064,483 | | 2002 | 1,053,758 | | 2001 | 1,041,458 | | 2000 | 1,029,795 | | 1999 | 1,017,036 | | 1998 | 1,004,301 | | 1997 | 992,796 | | 1996 | 980,765 | | 1995 | 967,416 | | 1994 | 953,038 | | 1993 | 935,740 | | 1992 | 914,864 | | 1991 | 892,763 | | 1990 | 870,746 | | 1989 | 849,546 | | 1988 | 829,882 | | 1987 | 812,284 | | 1986 | 797,291 | | 1985 | 785,047 | | 1984 | 775,186 | | 1983 | 767,221 | | 1982 | 761,208 | | 1981 | 757,271 | | 1980 | 755,578 | | 1979 | 756,125 | | 1978 | 758,736 | | 1977 | 761,837 | | 1976 | 762,779 | | 1975 | 759,862 | | 1974 | 753,147 | | 1973 | 742,973 | | 1972 | 729,903 | | 1971 | 715,752 | | 1970 | 701,606 | | 1969 | 687,182 | | 1968 | 672,011 | | 1967 | 656,879 | | 1966 | 643,030 | | 1965 | 631,058 | | 1964 | 620,873 | | 1963 | 612,703 | | 1962 | 605,684 | | 1961 | 597,419 | | 1960 | 586,642 |
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