| Year | Value | | 2022 | 1,115,676 | | 2021 | 1,145,658 | | 2020 | 1,132,405 | | 2019 | 1,130,807 | | 2018 | 1,141,758 | | 2017 | 1,161,050 | | 2016 | 1,187,291 | | 2015 | 1,224,576 | | 2014 | 1,274,654 | | 2013 | 1,332,915 | | 2012 | 1,396,247 | | 2011 | 1,457,150 | | 2010 | 1,507,007 | | 2009 | 1,543,399 | | 2008 | 1,554,970 | | 2007 | 1,554,784 | | 2006 | 1,547,178 | | 2005 | 1,529,614 | | 2004 | 1,499,630 | | 2003 | 1,467,976 | | 2002 | 1,431,298 | | 2001 | 1,378,443 | | 2000 | 1,292,190 | | 1999 | 1,198,353 | | 1998 | 1,091,314 | | 1997 | 987,307 | | 1996 | 907,634 | | 1995 | 884,442 | | 1994 | 905,002 | | 1993 | 931,132 | | 1992 | 960,874 | | 1991 | 991,501 | | 1990 | 1,014,213 | | 1989 | 1,024,825 | | 1988 | 1,033,224 | | 1987 | 1,048,162 | | 1986 | 1,061,901 | | 1985 | 1,078,320 | | 1984 | 1,098,460 | | 1983 | 1,116,328 | | 1982 | 1,121,741 | | 1981 | 1,115,201 | | 1980 | 1,111,781 | | 1979 | 1,106,495 | | 1978 | 1,098,364 | | 1977 | 1,093,084 | | 1976 | 1,071,600 | | 1975 | 1,025,002 | | 1974 | 972,226 | | 1973 | 898,301 | | 1972 | 803,743 | | 1971 | 728,201 | | 1970 | 678,024 | | 1969 | 662,527 | | 1968 | 696,505 | | 1967 | 761,970 | | 1966 | 827,921 | | 1965 | 884,970 | | 1964 | 913,616 | | 1963 | 913,845 | | 1962 | 907,991 | | 1961 | 901,524 | | 1960 | 890,046 |
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