| Year | Value | | 2022 | 1,319,234 | | 2021 | 1,326,897 | | 2020 | 1,336,480 | | 2019 | 1,347,180 | | 2018 | 1,353,355 | | 2017 | 1,351,376 | | 2016 | 1,342,907 | | 2015 | 1,326,614 | | 2014 | 1,304,891 | | 2013 | 1,288,652 | | 2012 | 1,284,086 | | 2011 | 1,288,979 | | 2010 | 1,302,413 | | 2009 | 1,321,122 | | 2008 | 1,336,148 | | 2007 | 1,345,612 | | 2006 | 1,352,798 | | 2005 | 1,358,642 | | 2004 | 1,364,531 | | 2003 | 1,371,487 | | 2002 | 1,378,963 | | 2001 | 1,387,619 | | 2000 | 1,396,983 | | 1999 | 1,400,433 | | 1998 | 1,394,725 | | 1997 | 1,381,166 | | 1996 | 1,359,848 | | 1995 | 1,332,527 | | 1994 | 1,300,922 | | 1993 | 1,270,049 | | 1992 | 1,243,002 | | 1991 | 1,220,058 | | 1990 | 1,201,688 | | 1989 | 1,186,612 | | 1988 | 1,170,434 | | 1987 | 1,150,322 | | 1986 | 1,126,982 | | 1985 | 1,100,661 | | 1984 | 1,072,452 | | 1983 | 1,043,970 | | 1982 | 1,017,119 | | 1981 | 992,493 | | 1980 | 970,511 | | 1979 | 951,424 | | 1978 | 934,557 | | 1977 | 917,238 | | 1976 | 899,307 | | 1975 | 882,389 | | 1974 | 866,031 | | 1973 | 850,247 | | 1972 | 837,211 | | 1971 | 828,602 | | 1970 | 823,507 | | 1969 | 821,404 | | 1968 | 821,796 | | 1967 | 823,081 | | 1966 | 822,417 | | 1965 | 817,894 | | 1964 | 809,576 | | 1963 | 797,809 | | 1962 | 783,551 | | 1961 | 767,354 | | 1960 | 749,098 |
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