| Year | Value | | 2022 | 899,053 | | 2021 | 920,631 | | 2020 | 956,711 | | 2019 | 990,238 | | 2018 | 1,012,700 | | 2017 | 1,032,696 | | 2016 | 1,055,674 | | 2015 | 1,080,923 | | 2014 | 1,109,109 | | 2013 | 1,148,637 | | 2012 | 1,185,884 | | 2011 | 1,204,093 | | 2010 | 1,209,339 | | 2009 | 1,204,530 | | 2008 | 1,183,893 | | 2007 | 1,149,182 | | 2006 | 1,112,451 | | 2005 | 1,077,345 | | 2004 | 1,042,376 | | 2003 | 1,003,080 | | 2002 | 962,026 | | 2001 | 926,551 | | 2000 | 901,996 | | 1999 | 889,882 | | 1998 | 891,159 | | 1997 | 902,922 | | 1996 | 917,372 | | 1995 | 932,560 | | 1994 | 947,406 | | 1993 | 958,013 | | 1992 | 964,664 | | 1991 | 975,588 | | 1990 | 999,705 | | 1989 | 1,035,523 | | 1988 | 1,073,470 | | 1987 | 1,113,989 | | 1986 | 1,159,956 | | 1985 | 1,214,070 | | 1984 | 1,275,467 | | 1983 | 1,340,629 | | 1982 | 1,406,323 | | 1981 | 1,466,492 | | 1980 | 1,516,827 | | 1979 | 1,558,452 | | 1978 | 1,587,868 | | 1977 | 1,602,774 | | 1976 | 1,606,162 | | 1975 | 1,603,635 | | 1974 | 1,596,142 | | 1973 | 1,583,381 | | 1972 | 1,576,129 | | 1971 | 1,572,710 | | 1970 | 1,574,972 | | 1969 | 1,588,383 | | 1968 | 1,597,186 | | 1967 | 1,586,641 | | 1966 | 1,571,301 | | 1965 | 1,554,847 | | 1964 | 1,530,917 | | 1963 | 1,509,491 | | 1962 | 1,494,377 | | 1961 | 1,473,864 | | 1960 | 1,457,433 |
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