| Year | Value | | 2022 | 1,380,032 | | 2021 | 1,360,512 | | 2020 | 1,391,867 | | 2019 | 1,409,405 | | 2018 | 1,368,146 | | 2017 | 1,312,277 | | 2016 | 1,304,786 | | 2015 | 1,367,262 | | 2014 | 1,395,414 | | 2013 | 1,370,277 | | 2012 | 1,344,021 | | 2011 | 1,333,099 | | 2010 | 1,334,915 | | 2009 | 1,323,702 | | 2008 | 1,293,649 | | 2007 | 1,253,083 | | 2006 | 1,194,050 | | 2005 | 1,110,225 | | 2004 | 1,049,043 | | 2003 | 1,035,683 | | 2002 | 1,040,614 | | 2001 | 1,059,016 | | 2000 | 1,089,635 | | 1999 | 1,129,096 | | 1998 | 1,167,802 | | 1997 | 1,188,829 | | 1996 | 1,179,473 | | 1995 | 1,138,732 | | 1994 | 1,057,668 | | 1993 | 957,167 | | 1992 | 902,762 | | 1991 | 896,387 | | 1990 | 894,566 | | 1989 | 885,980 | | 1988 | 870,548 | | 1987 | 848,614 | | 1986 | 822,086 | | 1985 | 792,154 | | 1984 | 758,966 | | 1983 | 722,556 | | 1982 | 683,549 | | 1981 | 642,976 | | 1980 | 600,616 | | 1979 | 557,283 | | 1978 | 514,468 | | 1977 | 472,869 | | 1976 | 434,531 | | 1975 | 399,996 | | 1974 | 375,048 | | 1973 | 358,443 | | 1972 | 342,298 | | 1971 | 327,305 | | 1970 | 313,784 | | 1969 | 300,297 | | 1968 | 284,434 | | 1967 | 268,257 | | 1966 | 254,063 | | 1965 | 240,670 | | 1964 | 228,866 | | 1963 | 220,673 | | 1962 | 213,862 | | 1961 | 206,281 | | 1960 | 199,256 |
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