| Year | Value | | 2022 | 1,691,545 | | 2021 | 1,665,642 | | 2020 | 1,640,199 | | 2019 | 1,619,105 | | 2018 | 1,602,923 | | 2017 | 1,590,339 | | 2016 | 1,581,856 | | 2015 | 1,576,964 | | 2014 | 1,574,015 | | 2013 | 1,569,935 | | 2012 | 1,562,357 | | 2011 | 1,549,269 | | 2010 | 1,528,903 | | 2009 | 1,516,321 | | 2008 | 1,486,968 | | 2007 | 1,452,484 | | 2006 | 1,415,313 | | 2005 | 1,377,181 | | 2004 | 1,337,990 | | 2003 | 1,299,940 | | 2002 | 1,266,674 | | 2001 | 1,238,436 | | 2000 | 1,215,592 | | 1999 | 1,198,896 | | 1998 | 1,187,411 | | 1997 | 1,178,671 | | 1996 | 1,169,046 | | 1995 | 1,158,279 | | 1994 | 1,147,786 | | 1993 | 1,137,651 | | 1992 | 1,129,715 | | 1991 | 1,124,445 | | 1990 | 1,118,980 | | 1989 | 1,111,617 | | 1988 | 1,102,317 | | 1987 | 1,089,910 | | 1986 | 1,075,880 | | 1985 | 1,062,343 | | 1984 | 1,047,815 | | 1983 | 1,033,495 | | 1982 | 1,020,733 | | 1981 | 1,007,920 | | 1980 | 994,446 | | 1979 | 980,448 | | 1978 | 963,643 | | 1977 | 943,253 | | 1976 | 921,598 | | 1975 | 899,904 | | 1974 | 878,550 | | 1973 | 858,537 | | 1972 | 840,806 | | 1971 | 825,776 | | 1970 | 813,576 | | 1969 | 803,906 | | 1968 | 796,329 | | 1967 | 790,807 | | 1966 | 787,413 | | 1965 | 786,224 | | 1964 | 787,221 | | 1963 | 790,303 | | 1962 | 793,844 | | 1961 | 795,075 | | 1960 | 791,934 |
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