| Year | Value | | 2022 | 1,353,394 | | 2021 | 1,364,834 | | 2020 | 1,318,064 | | 2019 | 1,271,679 | | 2018 | 1,227,982 | | 2017 | 1,191,952 | | 2016 | 1,166,321 | | 2015 | 1,151,936 | | 2014 | 1,150,333 | | 2013 | 1,162,161 | | 2012 | 1,182,030 | | 2011 | 1,208,742 | | 2010 | 1,245,123 | | 2009 | 1,298,485 | | 2008 | 1,357,360 | | 2007 | 1,421,313 | | 2006 | 1,482,037 | | 2005 | 1,532,549 | | 2004 | 1,561,678 | | 2003 | 1,568,229 | | 2002 | 1,564,005 | | 2001 | 1,552,392 | | 2000 | 1,522,438 | | 1999 | 1,499,333 | | 1998 | 1,470,333 | | 1997 | 1,435,452 | | 1996 | 1,383,953 | | 1995 | 1,293,938 | | 1994 | 1,182,792 | | 1993 | 1,074,224 | | 1992 | 968,775 | | 1991 | 888,798 | | 1990 | 864,705 | | 1989 | 885,687 | | 1988 | 914,421 | | 1987 | 946,111 | | 1986 | 976,820 | | 1985 | 999,009 | | 1984 | 1,010,389 | | 1983 | 1,017,930 | | 1982 | 1,031,166 | | 1981 | 1,047,774 | | 1980 | 1,068,137 | | 1979 | 1,090,502 | | 1978 | 1,108,468 | | 1977 | 1,108,133 | | 1976 | 1,084,263 | | 1975 | 1,052,676 | | 1974 | 1,016,992 | | 1973 | 981,562 | | 1972 | 955,583 | | 1971 | 930,140 | | 1970 | 898,874 | | 1969 | 862,460 | | 1968 | 799,536 | | 1967 | 716,866 | | 1966 | 648,815 | | 1965 | 595,765 | | 1964 | 572,449 | | 1963 | 600,989 | | 1962 | 659,630 | | 1961 | 721,242 | | 1960 | 781,021 |
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