| Year | Value | | 2022 | 1,199,549 | | 2021 | 1,343,649 | | 2020 | 1,397,826 | | 2019 | 1,444,607 | | 2018 | 1,470,301 | | 2017 | 1,476,859 | | 2016 | 1,466,200 | | 2015 | 1,433,333 | | 2014 | 1,399,195 | | 2013 | 1,372,156 | | 2012 | 1,344,439 | | 2011 | 1,330,702 | | 2010 | 1,327,661 | | 2009 | 1,336,156 | | 2008 | 1,339,685 | | 2007 | 1,316,194 | | 2006 | 1,266,889 | | 2005 | 1,176,871 | | 2004 | 1,055,376 | | 2003 | 952,951 | | 2002 | 902,111 | | 2001 | 924,058 | | 2000 | 1,030,923 | | 1999 | 1,186,529 | | 1998 | 1,364,750 | | 1997 | 1,554,495 | | 1996 | 1,669,501 | | 1995 | 1,692,931 | | 1994 | 1,639,864 | | 1993 | 1,506,911 | | 1992 | 1,349,231 | | 1991 | 1,243,563 | | 1990 | 1,225,149 | | 1989 | 1,279,940 | | 1988 | 1,391,052 | | 1987 | 1,494,076 | | 1986 | 1,537,192 | | 1985 | 1,519,664 | | 1984 | 1,456,152 | | 1983 | 1,363,165 | | 1982 | 1,245,189 | | 1981 | 1,130,485 | | 1980 | 1,025,055 | | 1979 | 926,399 | | 1978 | 852,189 | | 1977 | 784,432 | | 1976 | 716,294 | | 1975 | 687,531 | | 1974 | 705,603 | | 1973 | 740,796 | | 1972 | 806,748 | | 1971 | 892,972 | | 1970 | 954,056 | | 1969 | 978,451 | | 1968 | 973,269 | | 1967 | 956,489 | | 1966 | 941,008 | | 1965 | 916,546 | | 1964 | 884,623 | | 1963 | 858,778 | | 1962 | 827,673 | | 1961 | 777,191 | | 1960 | 737,448 |
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