| Year | Value | | 2022 | 2,062,404 | | 2021 | 2,112,515 | | 2020 | 2,184,919 | | 2019 | 2,266,001 | | 2018 | 2,345,957 | | 2017 | 2,416,006 | | 2016 | 2,464,995 | | 2015 | 2,497,134 | | 2014 | 2,530,880 | | 2013 | 2,565,318 | | 2012 | 2,596,273 | | 2011 | 2,624,012 | | 2010 | 2,641,975 | | 2009 | 2,650,040 | | 2008 | 2,661,811 | | 2007 | 2,677,743 | | 2006 | 2,703,142 | | 2005 | 2,745,403 | | 2004 | 2,789,634 | | 2003 | 2,824,055 | | 2002 | 2,848,802 | | 2001 | 2,866,322 | | 2000 | 2,873,014 | | 1999 | 2,886,233 | | 1998 | 2,900,131 | | 1997 | 2,900,558 | | 1996 | 2,904,970 | | 1995 | 2,911,710 | | 1994 | 2,919,407 | | 1993 | 2,950,048 | | 1992 | 3,007,764 | | 1991 | 3,066,237 | | 1990 | 3,139,617 | | 1989 | 3,233,872 | | 1988 | 3,316,381 | | 1987 | 3,383,598 | | 1986 | 3,449,602 | | 1985 | 3,522,812 | | 1984 | 3,603,273 | | 1983 | 3,702,318 | | 1982 | 3,824,292 | | 1981 | 3,970,915 | | 1980 | 4,133,476 | | 1979 | 4,313,579 | | 1978 | 4,506,326 | | 1977 | 4,669,285 | | 1976 | 4,772,532 | | 1975 | 4,805,564 | | 1974 | 4,756,705 | | 1973 | 4,652,088 | | 1972 | 4,557,080 | | 1971 | 4,385,530 | | 1970 | 4,189,329 | | 1969 | 4,144,545 | | 1968 | 4,078,896 | | 1967 | 3,978,009 | | 1966 | 3,960,027 | | 1965 | 3,957,555 | | 1964 | 3,875,456 | | 1963 | 3,832,298 | | 1962 | 3,797,715 | | 1961 | 3,782,558 | | 1960 | 3,808,953 |
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