| Year | Value | | 2022 | 1,754,047 | | 2021 | 1,747,758 | | 2020 | 1,734,687 | | 2019 | 1,714,840 | | 2018 | 1,691,262 | | 2017 | 1,668,429 | | 2016 | 1,646,598 | | 2015 | 1,625,806 | | 2014 | 1,608,644 | | 2013 | 1,595,300 | | 2012 | 1,584,786 | | 2011 | 1,577,622 | | 2010 | 1,573,248 | | 2009 | 1,584,661 | | 2008 | 1,583,253 | | 2007 | 1,578,781 | | 2006 | 1,569,016 | | 2005 | 1,552,106 | | 2004 | 1,529,130 | | 2003 | 1,500,804 | | 2002 | 1,466,906 | | 2001 | 1,429,521 | | 2000 | 1,390,604 | | 1999 | 1,350,520 | | 1998 | 1,311,497 | | 1997 | 1,277,342 | | 1996 | 1,248,707 | | 1995 | 1,225,844 | | 1994 | 1,209,125 | | 1993 | 1,197,581 | | 1992 | 1,188,644 | | 1991 | 1,178,828 | | 1990 | 1,167,354 | | 1989 | 1,154,969 | | 1988 | 1,142,061 | | 1987 | 1,131,136 | | 1986 | 1,122,997 | | 1985 | 1,115,275 | | 1984 | 1,106,806 | | 1983 | 1,097,362 | | 1982 | 1,085,670 | | 1981 | 1,073,166 | | 1980 | 1,062,043 | | 1979 | 1,050,642 | | 1978 | 1,039,681 | | 1977 | 1,029,886 | | 1976 | 1,019,040 | | 1975 | 1,006,230 | | 1974 | 990,870 | | 1973 | 971,518 | | 1972 | 948,881 | | 1971 | 925,443 | | 1970 | 902,344 | | 1969 | 880,247 | | 1968 | 860,007 | | 1967 | 842,095 | | 1966 | 827,027 | | 1965 | 814,916 | | 1964 | 805,393 | | 1963 | 797,999 | | 1962 | 792,693 | | 1961 | 789,495 | | 1960 | 788,334 |
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