Year | Value | 2022 | 644,571 | 2021 | 659,678 | 2020 | 688,054 | 2019 | 715,094 | 2018 | 740,894 | 2017 | 763,314 | 2016 | 778,646 | 2015 | 784,458 | 2014 | 779,925 | 2013 | 764,635 | 2012 | 740,722 | 2011 | 712,318 | 2010 | 683,292 | 2009 | 657,741 | 2008 | 634,340 | 2007 | 616,421 | 2006 | 605,470 | 2005 | 596,816 | 2004 | 589,832 | 2003 | 583,127 | 2002 | 578,484 | 2001 | 577,773 | 2000 | 579,610 | 1999 | 584,803 | 1998 | 590,015 | 1997 | 593,289 | 1996 | 595,802 | 1995 | 603,536 | 1994 | 623,697 | 1993 | 647,697 | 1992 | 672,449 | 1991 | 701,170 | 1990 | 725,676 | 1989 | 748,054 | 1988 | 775,066 | 1987 | 762,862 | 1986 | 737,934 | 1985 | 707,133 | 1984 | 676,370 | 1983 | 645,303 | 1982 | 616,573 | 1981 | 593,411 | 1980 | 576,032 | 1979 | 562,728 | 1978 | 549,789 | 1977 | 533,055 | 1976 | 509,735 | 1975 | 467,955 | 1974 | 410,092 | 1973 | 353,634 | 1972 | 315,430 | 1971 | 303,403 | 1970 | 323,195 | 1969 | 371,484 | 1968 | 428,580 | 1967 | 474,800 | 1966 | 504,845 | 1965 | 517,422 | 1964 | 505,151 | 1963 | 471,003 | 1962 | 426,067 | 1961 | 383,858 | 1960 | 357,884 |
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