| Year | Value | | 2022 | 3,447,062 | | 2021 | 3,409,508 | | 2020 | 3,369,959 | | 2019 | 3,329,012 | | 2018 | 3,284,325 | | 2017 | 3,234,556 | | 2016 | 3,187,679 | | 2015 | 3,145,381 | | 2014 | 3,100,543 | | 2013 | 3,045,479 | | 2012 | 2,988,323 | | 2011 | 3,148,271 | | 2010 | 3,300,010 | | 2009 | 3,232,535 | | 2008 | 3,164,557 | | 2007 | 3,096,581 | | 2006 | 3,032,912 | | 2005 | 2,972,825 | | 2004 | 2,914,130 | | 2003 | 2,858,258 | | 2002 | 2,806,031 | | 2001 | 2,757,499 | | 2000 | 2,712,865 | | 1999 | 2,673,124 | | 1998 | 2,636,182 | | 1997 | 2,598,406 | | 1996 | 2,558,392 | | 1995 | 2,515,472 | | 1994 | 2,469,660 | | 1993 | 2,421,140 | | 1992 | 2,370,523 | | 1991 | 2,318,672 | | 1990 | 2,265,832 | | 1989 | 2,212,017 | | 1988 | 2,157,380 | | 1987 | 2,102,118 | | 1986 | 2,045,456 | | 1985 | 1,986,123 | | 1984 | 1,923,986 | | 1983 | 1,846,338 | | 1982 | 1,755,803 | | 1981 | 1,667,949 | | 1980 | 1,582,538 | | 1979 | 1,499,348 | | 1978 | 1,419,155 | | 1977 | 1,342,634 | | 1976 | 1,269,605 | | 1975 | 1,199,961 | | 1974 | 1,136,086 | | 1973 | 1,086,515 | | 1972 | 1,051,671 | | 1971 | 1,022,751 | | 1970 | 995,857 | | 1969 | 970,151 | | 1968 | 945,694 | | 1967 | 922,360 | | 1966 | 899,871 | | 1965 | 877,297 | | 1964 | 852,232 | | 1963 | 822,977 | | 1962 | 791,854 | | 1961 | 762,237 | | 1960 | 735,014 |
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