| Year | Value | | 2022 | 882,628 | | 2021 | 914,006 | | 2020 | 921,370 | | 2019 | 920,647 | | 2018 | 916,020 | | 2017 | 908,008 | | 2016 | 906,451 | | 2015 | 919,087 | | 2014 | 944,044 | | 2013 | 973,403 | | 2012 | 992,476 | | 2011 | 995,026 | | 2010 | 983,159 | | 2009 | 958,213 | | 2008 | 921,563 | | 2007 | 892,095 | | 2006 | 878,114 | | 2005 | 877,474 | | 2004 | 885,864 | | 2003 | 901,565 | | 2002 | 924,522 | | 2001 | 951,774 | | 2000 | 979,106 | | 1999 | 1,023,970 | | 1998 | 1,067,518 | | 1997 | 1,113,108 | | 1996 | 1,163,726 | | 1995 | 1,218,430 | | 1994 | 1,264,203 | | 1993 | 1,297,203 | | 1992 | 1,328,465 | | 1991 | 1,363,788 | | 1990 | 1,411,879 | | 1989 | 1,472,886 | | 1988 | 1,547,165 | | 1987 | 1,612,307 | | 1986 | 1,644,352 | | 1985 | 1,656,738 | | 1984 | 1,656,798 | | 1983 | 1,640,150 | | 1982 | 1,612,604 | | 1981 | 1,596,078 | | 1980 | 1,583,551 | | 1979 | 1,558,953 | | 1978 | 1,532,256 | | 1977 | 1,502,321 | | 1976 | 1,455,264 | | 1975 | 1,396,950 | | 1974 | 1,342,030 | | 1973 | 1,296,161 | | 1972 | 1,260,832 | | 1971 | 1,235,560 | | 1970 | 1,238,046 | | 1969 | 1,256,514 | | 1968 | 1,273,175 | | 1967 | 1,297,046 | | 1966 | 1,329,315 | | 1965 | 1,375,697 | | 1964 | 1,431,628 | | 1963 | 1,492,443 | | 1962 | 1,562,648 | | 1961 | 1,634,556 | | 1960 | 1,700,036 |
|