| Year | Value | | 2024 | 2,067,724 | | 2023 | 1,957,770 | | 2022 | 1,857,384 | | 2021 | 1,776,386 | | 2020 | 1,727,563 | | 2019 | 1,695,872 | | 2018 | 1,670,257 | | 2017 | 1,652,881 | | 2016 | 1,623,091 | | 2015 | 1,576,459 | | 2014 | 1,519,044 | | 2013 | 1,446,398 | | 2012 | 1,366,440 | | 2011 | 1,288,566 | | 2010 | 1,214,775 | | 2009 | 1,150,634 | | 2008 | 1,100,344 | | 2007 | 1,063,569 | | 2006 | 1,048,230 | | 2005 | 1,029,265 | | 2004 | 1,012,289 | | 2003 | 994,791 | | 2002 | 975,399 | | 2001 | 954,579 | | 2000 | 933,938 | | 1999 | 914,381 | | 1998 | 895,632 | | 1997 | 876,644 | | 1996 | 855,536 | | 1995 | 830,301 | | 1994 | 804,423 | | 1993 | 780,020 | | 1992 | 755,175 | | 1991 | 730,357 | | 1990 | 705,820 | | 1989 | 681,786 | | 1988 | 658,419 | | 1987 | 635,801 | | 1986 | 613,958 | | 1985 | 592,791 | | 1984 | 572,331 | | 1983 | 552,635 | | 1982 | 533,773 | | 1981 | 516,223 | | 1980 | 499,643 | | 1979 | 483,765 | | 1978 | 469,351 | | 1977 | 456,808 | | 1976 | 446,333 | | 1975 | 438,373 |
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