Year | Value | 2022 | 1,420,266 | 2021 | 1,478,071 | 2020 | 1,495,892 | 2019 | 1,482,846 | 2018 | 1,456,292 | 2017 | 1,431,320 | 2016 | 1,402,328 | 2015 | 1,370,484 | 2014 | 1,335,966 | 2013 | 1,297,054 | 2012 | 1,254,162 | 2011 | 1,205,275 | 2010 | 1,150,351 | 2009 | 1,094,930 | 2008 | 1,039,949 | 2007 | 991,673 | 2006 | 948,789 | 2005 | 905,708 | 2004 | 864,819 | 2003 | 825,033 | 2002 | 784,411 | 2001 | 749,130 | 2000 | 721,254 | 1999 | 702,672 | 1998 | 713,649 | 1997 | 754,063 | 1996 | 796,439 | 1995 | 831,037 | 1994 | 842,367 | 1993 | 834,048 | 1992 | 820,952 | 1991 | 810,988 | 1990 | 800,609 | 1989 | 781,669 | 1988 | 758,498 | 1987 | 732,434 | 1986 | 706,768 | 1985 | 686,095 | 1984 | 665,368 | 1983 | 641,029 | 1982 | 614,120 | 1981 | 586,091 | 1980 | 558,842 | 1979 | 532,865 | 1978 | 511,702 | 1977 | 492,409 | 1976 | 475,076 | 1975 | 460,774 | 1974 | 447,216 | 1973 | 435,417 | 1972 | 425,854 | 1971 | 418,044 | 1970 | 411,804 | 1969 | 404,712 | 1968 | 395,049 | 1967 | 383,238 | 1966 | 368,955 | 1965 | 355,755 | 1964 | 343,505 | 1963 | 330,446 | 1962 | 321,076 | 1961 | 313,160 | 1960 | 304,238 |
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