Year | Value | 2022 | 1,596,680 | 2021 | 1,527,610 | 2020 | 1,473,218 | 2019 | 1,432,743 | 2018 | 1,406,544 | 2017 | 1,403,527 | 2016 | 1,423,381 | 2015 | 1,457,160 | 2014 | 1,505,108 | 2013 | 1,563,680 | 2012 | 1,619,265 | 2011 | 1,665,863 | 2010 | 1,706,419 | 2009 | 1,740,363 | 2008 | 1,769,711 | 2007 | 1,796,413 | 2006 | 1,820,686 | 2005 | 1,844,549 | 2004 | 1,863,016 | 2003 | 1,870,964 | 2002 | 1,869,625 | 2001 | 1,857,885 | 2000 | 1,835,383 | 1999 | 1,802,469 | 1998 | 1,760,902 | 1997 | 1,701,043 | 1996 | 1,621,377 | 1995 | 1,554,484 | 1994 | 1,509,845 | 1993 | 1,471,981 | 1992 | 1,438,150 | 1991 | 1,406,497 | 1990 | 1,371,255 | 1989 | 1,332,335 | 1988 | 1,294,339 | 1987 | 1,257,653 | 1986 | 1,220,300 | 1985 | 1,181,767 | 1984 | 1,144,157 | 1983 | 1,106,955 | 1982 | 1,068,895 | 1981 | 1,029,173 | 1980 | 988,645 | 1979 | 949,144 | 1978 | 912,321 | 1977 | 879,746 | 1976 | 855,783 | 1975 | 834,249 | 1974 | 807,914 | 1973 | 781,162 | 1972 | 754,623 | 1971 | 725,962 | 1970 | 694,281 | 1969 | 661,003 | 1968 | 628,394 | 1967 | 598,219 | 1966 | 571,701 | 1965 | 553,487 | 1964 | 541,984 | 1963 | 532,704 | 1962 | 526,519 | 1961 | 522,082 | 1960 | 516,626 |
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