| Year | Value | | 2022 | 5,909,093 | | 2021 | 5,744,288 | | 2020 | 5,573,073 | | 2019 | 5,387,384 | | 2018 | 5,181,364 | | 2017 | 4,966,760 | | 2016 | 4,767,811 | | 2015 | 4,603,093 | | 2014 | 4,459,270 | | 2013 | 4,330,698 | | 2012 | 4,237,141 | | 2011 | 4,166,252 | | 2010 | 4,079,103 | | 2009 | 3,981,208 | | 2008 | 3,890,695 | | 2007 | 3,787,576 | | 2006 | 3,671,925 | | 2005 | 3,560,422 | | 2004 | 3,460,484 | | 2003 | 3,368,095 | | 2002 | 3,276,319 | | 2001 | 3,186,585 | | 2000 | 3,101,451 | | 1999 | 3,015,290 | | 1998 | 2,925,739 | | 1997 | 2,836,046 | | 1996 | 2,749,071 | | 1995 | 2,668,333 | | 1994 | 2,601,507 | | 1993 | 2,538,558 | | 1992 | 2,467,235 | | 1991 | 2,401,723 | | 1990 | 2,350,841 | | 1989 | 2,302,323 | | 1988 | 2,255,190 | | 1987 | 2,209,874 | | 1986 | 2,162,096 | | 1985 | 2,116,693 | | 1984 | 2,071,582 | | 1983 | 2,029,614 | | 1982 | 1,989,159 | | 1981 | 1,951,647 | | 1980 | 1,921,570 | | 1979 | 1,885,688 | | 1978 | 1,841,971 | | 1977 | 1,802,636 | | 1976 | 1,765,312 | | 1975 | 1,725,000 | | 1974 | 1,683,770 | | 1973 | 1,642,416 | | 1972 | 1,602,500 | | 1971 | 1,563,686 | | 1970 | 1,526,097 | | 1969 | 1,490,579 | | 1968 | 1,457,160 | | 1967 | 1,425,349 | | 1966 | 1,393,316 | | 1965 | 1,359,159 | | 1964 | 1,322,647 | | 1963 | 1,284,449 | | 1962 | 1,245,901 | | 1961 | 1,210,013 | | 1960 | 1,179,225 |
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