| Year | Value | | 2022 | 5,154,131 | | 2021 | 4,970,765 | | 2020 | 4,800,083 | | 2019 | 4,644,405 | | 2018 | 4,498,735 | | 2017 | 4,362,272 | | 2016 | 4,242,577 | | 2015 | 4,140,541 | | 2014 | 4,033,787 | | 2013 | 3,910,154 | | 2012 | 3,783,134 | | 2011 | 3,645,475 | | 2010 | 3,495,354 | | 2009 | 3,365,498 | | 2008 | 3,262,181 | | 2007 | 3,163,456 | | 2006 | 3,062,715 | | 2005 | 2,961,922 | | 2004 | 2,860,364 | | 2003 | 2,758,482 | | 2002 | 2,654,975 | | 2001 | 2,547,974 | | 2000 | 2,446,248 | | 1999 | 2,352,056 | | 1998 | 2,261,007 | | 1997 | 2,192,523 | | 1996 | 2,162,410 | | 1995 | 2,139,130 | | 1994 | 2,060,701 | | 1993 | 1,969,005 | | 1992 | 1,919,916 | | 1991 | 1,877,301 | | 1990 | 1,827,068 | | 1989 | 1,775,533 | | 1988 | 1,726,092 | | 1987 | 1,675,480 | | 1986 | 1,624,198 | | 1985 | 1,573,918 | | 1984 | 1,521,368 | | 1983 | 1,469,230 | | 1982 | 1,421,949 | | 1981 | 1,376,630 | | 1980 | 1,332,854 | | 1979 | 1,286,001 | | 1978 | 1,232,943 | | 1977 | 1,186,995 | | 1976 | 1,152,307 | | 1975 | 1,119,724 | | 1974 | 1,088,631 | | 1973 | 1,059,297 | | 1972 | 1,031,695 | | 1971 | 1,006,259 | | 1970 | 981,198 | | 1969 | 957,468 | | 1968 | 937,632 | | 1967 | 923,346 | | 1966 | 914,429 | | 1965 | 907,291 | | 1964 | 898,697 | | 1963 | 886,568 | | 1962 | 868,997 | | 1961 | 846,903 | | 1960 | 824,010 |
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