Year | Value | 2022 | 1,511,768 | 2021 | 1,481,428 | 2020 | 1,451,244 | 2019 | 1,420,575 | 2018 | 1,389,995 | 2017 | 1,356,335 | 2016 | 1,318,092 | 2015 | 1,278,649 | 2014 | 1,240,020 | 2013 | 1,200,244 | 2012 | 1,161,492 | 2011 | 1,124,212 | 2010 | 1,087,720 | 2009 | 1,054,021 | 2008 | 1,022,516 | 2007 | 991,871 | 2006 | 961,961 | 2005 | 933,339 | 2004 | 906,195 | 2003 | 881,235 | 2002 | 857,312 | 2001 | 832,861 | 2000 | 809,563 | 1999 | 788,646 | 1998 | 771,411 | 1997 | 763,478 | 1996 | 765,626 | 1995 | 765,462 | 1994 | 744,965 | 1993 | 717,454 | 1992 | 698,112 | 1991 | 677,197 | 1990 | 653,485 | 1989 | 630,451 | 1988 | 609,681 | 1987 | 590,212 | 1986 | 571,766 | 1985 | 554,126 | 1984 | 536,046 | 1983 | 518,371 | 1982 | 502,116 | 1981 | 486,379 | 1980 | 471,120 | 1979 | 454,847 | 1978 | 436,920 | 1977 | 421,659 | 1976 | 409,720 | 1975 | 397,873 | 1974 | 386,003 | 1973 | 374,245 | 1972 | 362,740 | 1971 | 351,810 | 1970 | 341,113 | 1969 | 330,474 | 1968 | 320,218 | 1967 | 310,338 | 1966 | 300,832 | 1965 | 291,791 | 1964 | 283,352 | 1963 | 275,207 | 1962 | 267,166 | 1961 | 259,450 | 1960 | 251,997 |
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