| Year | Value | | 2022 | 1,360,444 | | 2021 | 1,358,683 | | 2020 | 1,356,428 | | 2019 | 1,351,913 | | 2018 | 1,345,002 | | 2017 | 1,336,750 | | 2016 | 1,327,604 | | 2015 | 1,317,872 | | 2014 | 1,307,762 | | 2013 | 1,297,342 | | 2012 | 1,286,378 | | 2011 | 1,274,916 | | 2010 | 1,263,193 | | 2009 | 1,251,073 | | 2008 | 1,238,726 | | 2007 | 1,226,184 | | 2006 | 1,213,495 | | 2005 | 1,200,625 | | 2004 | 1,187,473 | | 2003 | 1,174,300 | | 2002 | 1,161,196 | | 2001 | 1,147,976 | | 2000 | 1,134,714 | | 1999 | 1,134,543 | | 1998 | 1,135,836 | | 1997 | 1,136,655 | | 1996 | 1,136,968 | | 1995 | 1,136,918 | | 1994 | 1,136,385 | | 1993 | 1,135,409 | | 1992 | 1,133,916 | | 1991 | 1,132,000 | | 1990 | 1,129,362 | | 1989 | 1,115,391 | | 1988 | 1,099,743 | | 1987 | 1,083,834 | | 1986 | 1,067,710 | | 1985 | 1,051,449 | | 1984 | 1,035,025 | | 1983 | 1,018,506 | | 1982 | 1,002,038 | | 1981 | 985,802 | | 1980 | 969,746 | | 1979 | 952,867 | | 1978 | 935,916 | | 1977 | 918,902 | | 1976 | 901,634 | | 1975 | 884,128 | | 1974 | 866,319 | | 1973 | 848,334 | | 1972 | 830,187 | | 1971 | 811,980 | | 1970 | 793,876 | | 1969 | 780,641 | | 1968 | 767,904 | | 1967 | 754,907 | | 1966 | 741,674 | | 1965 | 728,263 | | 1964 | 714,765 | | 1963 | 701,273 | | 1962 | 687,938 | | 1961 | 674,989 | | 1960 | 662,117 |
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