| Year | Value | | 2022 | 3,704,275 | | 2021 | 3,693,924 | | 2020 | 3,676,608 | | 2019 | 3,671,199 | | 2018 | 3,646,495 | | 2017 | 3,607,890 | | 2016 | 3,591,011 | | 2015 | 3,572,786 | | 2014 | 3,552,802 | | 2013 | 3,531,712 | | 2012 | 3,509,071 | | 2011 | 3,487,222 | | 2010 | 3,467,933 | | 2009 | 3,448,719 | | 2008 | 3,429,535 | | 2007 | 3,410,872 | | 2006 | 3,391,669 | | 2005 | 3,372,018 | | 2004 | 3,352,212 | | 2003 | 3,331,191 | | 2002 | 3,308,730 | | 2001 | 3,285,678 | | 2000 | 3,262,567 | | 1999 | 3,238,136 | | 1998 | 3,211,472 | | 1997 | 3,183,372 | | 1996 | 3,154,755 | | 1995 | 3,124,790 | | 1994 | 3,094,462 | | 1993 | 3,065,699 | | 1992 | 3,037,122 | | 1991 | 3,010,046 | | 1990 | 2,988,288 | | 1989 | 2,969,307 | | 1988 | 2,949,349 | | 1987 | 2,928,923 | | 1986 | 2,906,463 | | 1985 | 2,880,158 | | 1984 | 2,851,905 | | 1983 | 2,822,457 | | 1982 | 2,791,559 | | 1981 | 2,760,417 | | 1980 | 2,729,442 | | 1979 | 2,699,918 | | 1978 | 2,671,656 | | 1977 | 2,643,365 | | 1976 | 2,615,299 | | 1975 | 2,586,908 | | 1974 | 2,557,693 | | 1973 | 2,527,811 | | 1972 | 2,497,381 | | 1971 | 2,463,620 | | 1970 | 2,426,689 | | 1969 | 2,390,443 | | 1968 | 2,354,795 | | 1967 | 2,318,686 | | 1966 | 2,281,769 | | 1965 | 2,243,913 | | 1964 | 2,205,099 | | 1963 | 2,165,273 | | 1962 | 2,125,202 | | 1961 | 2,085,337 | | 1960 | 2,043,707 |
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