| Year | Value | | 2022 | 1,836,398 | | 2021 | 1,816,368 | | 2020 | 1,812,037 | | 2019 | 1,805,722 | | 2018 | 1,792,632 | | 2017 | 1,781,281 | | 2016 | 1,771,980 | | 2015 | 1,761,447 | | 2014 | 1,754,105 | | 2013 | 1,750,530 | | 2012 | 1,750,490 | | 2011 | 1,752,249 | | 2010 | 1,753,744 | | 2009 | 1,753,285 | | 2008 | 1,744,592 | | 2007 | 1,718,227 | | 2006 | 1,677,897 | | 2005 | 1,644,123 | | 2004 | 1,619,883 | | 2003 | 1,601,606 | | 2002 | 1,586,580 | | 2001 | 1,569,733 | | 2000 | 1,554,223 | | 1999 | 1,542,842 | | 1998 | 1,534,680 | | 1997 | 1,527,757 | | 1996 | 1,521,461 | | 1995 | 1,517,554 | | 1994 | 1,517,620 | | 1993 | 1,519,482 | | 1992 | 1,519,699 | | 1991 | 1,517,141 | | 1990 | 1,513,504 | | 1989 | 1,516,615 | | 1988 | 1,527,078 | | 1987 | 1,538,049 | | 1986 | 1,542,349 | | 1985 | 1,547,026 | | 1984 | 1,550,204 | | 1983 | 1,546,244 | | 1982 | 1,540,933 | | 1981 | 1,531,958 | | 1980 | 1,524,395 | | 1979 | 1,518,390 | | 1978 | 1,509,580 | | 1977 | 1,499,473 | | 1976 | 1,490,313 | | 1975 | 1,478,867 | | 1974 | 1,465,401 | | 1973 | 1,451,878 | | 1972 | 1,439,133 | | 1971 | 1,428,135 | | 1970 | 1,440,890 | | 1969 | 1,462,952 | | 1968 | 1,488,213 | | 1967 | 1,515,224 | | 1966 | 1,541,550 | | 1965 | 1,547,038 | | 1964 | 1,547,278 | | 1963 | 1,545,765 | | 1962 | 1,542,726 | | 1961 | 1,542,320 | | 1960 | 1,550,525 |
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