Year | Value | 2022 | 1,328,581 | 2021 | 1,380,785 | 2020 | 1,451,792 | 2019 | 1,472,418 | 2018 | 1,420,663 | 2017 | 1,363,120 | 2016 | 1,286,071 | 2015 | 1,209,464 | 2014 | 1,183,391 | 2013 | 1,194,707 | 2012 | 1,216,384 | 2011 | 1,243,657 | 2010 | 1,251,663 | 2009 | 1,209,679 | 2008 | 1,139,757 | 2007 | 1,078,838 | 2006 | 1,032,244 | 2005 | 998,535 | 2004 | 988,331 | 2003 | 984,341 | 2002 | 960,664 | 2001 | 925,456 | 2000 | 884,725 | 1999 | 841,908 | 1998 | 798,157 | 1997 | 753,818 | 1996 | 711,065 | 1995 | 671,703 | 1994 | 634,853 | 1993 | 603,435 | 1992 | 578,851 | 1991 | 555,889 | 1990 | 532,153 | 1989 | 508,006 | 1988 | 484,076 | 1987 | 460,688 | 1986 | 438,115 | 1985 | 416,515 | 1984 | 396,189 | 1983 | 377,422 | 1982 | 360,440 | 1981 | 345,315 | 1980 | 331,804 | 1979 | 318,985 | 1978 | 305,734 | 1977 | 293,243 | 1976 | 282,523 | 1975 | 272,746 | 1974 | 260,052 | 1973 | 245,624 | 1972 | 232,487 | 1971 | 219,865 | 1970 | 208,805 | 1969 | 199,266 | 1968 | 191,012 | 1967 | 183,766 | 1966 | 177,225 | 1965 | 171,087 | 1964 | 165,199 | 1963 | 159,510 | 1962 | 154,030 | 1961 | 148,968 | 1960 | 144,509 |
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