| Year | Value | | 2022 | 9,557,500 | | 2021 | 9,371,400 | | 2020 | 9,215,100 | | 2019 | 9,054,000 | | 2018 | 8,882,800 | | 2017 | 8,713,300 | | 2016 | 8,546,000 | | 2015 | 8,380,100 | | 2014 | 8,215,700 | | 2013 | 8,059,500 | | 2012 | 7,910,500 | | 2011 | 7,765,800 | | 2010 | 7,623,600 | | 2009 | 7,485,600 | | 2008 | 7,308,800 | | 2007 | 7,180,100 | | 2006 | 7,053,700 | | 2005 | 6,930,100 | | 2004 | 6,809,000 | | 2003 | 6,689,700 | | 2002 | 6,570,000 | | 2001 | 6,439,000 | | 2000 | 6,289,000 | | 1999 | 6,125,000 | | 1998 | 5,971,000 | | 1997 | 5,836,000 | | 1996 | 5,692,000 | | 1995 | 5,545,000 | | 1994 | 5,399,000 | | 1993 | 5,261,000 | | 1992 | 5,123,000 | | 1991 | 4,949,000 | | 1990 | 4,660,000 | | 1989 | 4,518,000 | | 1988 | 4,442,000 | | 1987 | 4,369,000 | | 1986 | 4,299,000 | | 1985 | 4,233,000 | | 1984 | 4,159,000 | | 1983 | 4,105,000 | | 1982 | 4,031,000 | | 1981 | 3,956,000 | | 1980 | 3,878,000 | | 1979 | 3,786,000 | | 1978 | 3,690,000 | | 1977 | 3,613,000 | | 1976 | 3,533,000 | | 1975 | 3,455,000 | | 1974 | 3,377,000 | | 1973 | 3,278,000 | | 1972 | 3,148,000 | | 1971 | 3,069,000 | | 1970 | 2,974,000 | | 1969 | 2,877,000 | | 1968 | 2,803,000 | | 1967 | 2,745,000 | | 1966 | 2,629,000 | | 1965 | 2,563,000 | | 1964 | 2,475,000 | | 1963 | 2,379,000 | | 1962 | 2,293,000 | | 1961 | 2,185,000 | | 1960 | 2,114,020 |
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