Year | Value | 2022 | 2,595,948 | 2021 | 2,590,695 | 2020 | 2,671,060 | 2019 | 2,738,222 | 2018 | 2,655,840 | 2017 | 2,507,954 | 2016 | 2,462,807 | 2015 | 2,339,072 | 2014 | 2,175,581 | 2013 | 2,088,742 | 2012 | 1,938,224 | 2011 | 1,788,572 | 2010 | 1,675,640 | 2009 | 1,600,963 | 2008 | 1,528,571 | 2007 | 1,456,556 | 2006 | 1,385,007 | 2005 | 1,319,953 | 2004 | 1,273,896 | 2003 | 1,239,951 | 2002 | 1,204,908 | 2001 | 1,169,112 | 2000 | 1,132,811 | 1999 | 1,096,198 | 1998 | 1,059,425 | 1997 | 1,022,578 | 1996 | 985,702 | 1995 | 952,736 | 1994 | 932,980 | 1993 | 923,899 | 1992 | 898,360 | 1991 | 743,740 | 1990 | 934,227 | 1989 | 1,237,201 | 1988 | 1,196,710 | 1987 | 1,156,274 | 1986 | 1,115,961 | 1985 | 1,073,840 | 1984 | 1,032,168 | 1983 | 988,423 | 1982 | 940,795 | 1981 | 894,984 | 1980 | 847,994 | 1979 | 797,447 | 1978 | 745,201 | 1977 | 693,553 | 1976 | 644,048 | 1975 | 601,871 | 1974 | 567,655 | 1973 | 536,483 | 1972 | 506,979 | 1971 | 478,358 | 1970 | 449,871 | 1969 | 420,052 | 1968 | 389,125 | 1967 | 359,216 | 1966 | 331,359 | 1965 | 303,558 | 1964 | 275,579 | 1963 | 249,131 | 1962 | 224,310 | 1961 | 201,359 | 1960 | 180,606 |
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