| Year | Value | | 2022 | 1,549,363 | | 2021 | 1,522,828 | | 2020 | 1,498,771 | | 2019 | 1,478,761 | | 2018 | 1,463,020 | | 2017 | 1,450,533 | | 2016 | 1,440,599 | | 2015 | 1,431,138 | | 2014 | 1,419,717 | | 2013 | 1,406,273 | | 2012 | 1,391,638 | | 2011 | 1,375,050 | | 2010 | 1,354,746 | | 2009 | 1,328,958 | | 2008 | 1,296,535 | | 2007 | 1,260,888 | | 2006 | 1,223,761 | | 2005 | 1,184,641 | | 2004 | 1,147,011 | | 2003 | 1,112,722 | | 2002 | 1,081,280 | | 2001 | 1,052,591 | | 2000 | 1,026,952 | | 1999 | 1,003,621 | | 1998 | 979,737 | | 1997 | 958,061 | | 1996 | 940,892 | | 1995 | 925,374 | | 1994 | 928,930 | | 1993 | 941,791 | | 1992 | 929,192 | | 1991 | 903,762 | | 1990 | 880,624 | | 1989 | 852,347 | | 1988 | 819,292 | | 1987 | 783,904 | | 1986 | 755,189 | | 1985 | 733,972 | | 1984 | 710,728 | | 1983 | 685,329 | | 1982 | 658,160 | | 1981 | 630,353 | | 1980 | 602,662 | | 1979 | 576,151 | | 1978 | 551,873 | | 1977 | 530,914 | | 1976 | 512,965 | | 1975 | 496,669 | | 1974 | 481,838 | | 1973 | 468,326 | | 1972 | 455,783 | | 1971 | 443,969 | | 1970 | 432,701 | | 1969 | 421,687 | | 1968 | 410,812 | | 1967 | 400,008 | | 1966 | 389,275 | | 1965 | 378,565 | | 1964 | 367,718 | | 1963 | 356,319 | | 1962 | 344,562 | | 1961 | 332,985 | | 1960 | 321,725 |
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