| Year | Value | | 2022 | 5,201,777 | | 2021 | 5,169,131 | | 2020 | 5,142,210 | | 2019 | 5,110,007 | | 2018 | 5,063,720 | | 2017 | 5,010,725 | | 2016 | 4,949,232 | | 2015 | 4,892,930 | | 2014 | 4,846,823 | | 2013 | 4,804,202 | | 2012 | 4,768,910 | | 2011 | 4,738,700 | | 2010 | 4,707,641 | | 2009 | 4,672,101 | | 2008 | 4,636,700 | | 2007 | 4,604,872 | | 2006 | 4,574,597 | | 2005 | 4,551,999 | | 2004 | 4,536,646 | | 2003 | 4,521,528 | | 2002 | 4,507,394 | | 2001 | 4,495,417 | | 2000 | 4,485,532 | | 1999 | 4,479,906 | | 1998 | 4,477,326 | | 1997 | 4,475,229 | | 1996 | 4,472,856 | | 1995 | 4,465,753 | | 1994 | 4,442,313 | | 1993 | 4,411,003 | | 1992 | 4,385,784 | | 1991 | 4,360,353 | | 1990 | 4,330,930 | | 1989 | 4,297,776 | | 1988 | 4,269,192 | | 1987 | 4,249,091 | | 1986 | 4,233,935 | | 1985 | 4,222,977 | | 1984 | 4,214,619 | | 1983 | 4,208,982 | | 1982 | 4,204,946 | | 1981 | 4,200,142 | | 1980 | 4,192,385 | | 1979 | 4,180,640 | | 1978 | 4,167,829 | | 1977 | 4,151,912 | | 1976 | 4,133,517 | | 1975 | 4,115,113 | | 1974 | 4,095,604 | | 1973 | 4,080,732 | | 1972 | 4,071,143 | | 1971 | 4,056,974 | | 1970 | 4,027,560 | | 1969 | 3,989,235 | | 1968 | 3,960,940 | | 1967 | 3,938,791 | | 1966 | 3,908,895 | | 1965 | 3,872,228 | | 1964 | 3,836,400 | | 1963 | 3,808,406 | | 1962 | 3,787,478 | | 1961 | 3,767,134 | | 1960 | 3,749,915 |
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