Year | Value | 2022 | 1,006,801 | 2021 | 967,958 | 2020 | 930,453 | 2019 | 895,907 | 2018 | 864,358 | 2017 | 835,708 | 2016 | 810,648 | 2015 | 788,961 | 2014 | 770,237 | 2013 | 753,994 | 2012 | 738,832 | 2011 | 723,992 | 2010 | 708,869 | 2009 | 692,910 | 2008 | 676,529 | 2007 | 660,158 | 2006 | 643,466 | 2005 | 624,987 | 2004 | 604,087 | 2003 | 581,442 | 2002 | 557,543 | 2001 | 533,227 | 2000 | 510,260 | 1999 | 489,753 | 1998 | 471,405 | 1997 | 454,999 | 1996 | 440,403 | 1995 | 427,381 | 1994 | 415,334 | 1993 | 403,769 | 1992 | 392,638 | 1991 | 381,726 | 1990 | 370,874 | 1989 | 360,084 | 1988 | 349,359 | 1987 | 338,785 | 1986 | 328,511 | 1985 | 318,607 | 1984 | 309,110 | 1983 | 294,944 | 1982 | 275,205 | 1981 | 254,772 | 1980 | 234,401 | 1979 | 214,275 | 1978 | 199,931 | 1977 | 192,509 | 1976 | 187,074 | 1975 | 182,981 | 1974 | 180,208 | 1973 | 178,689 | 1972 | 178,101 | 1971 | 177,966 | 1970 | 177,846 | 1969 | 177,580 | 1968 | 177,151 | 1967 | 176,490 | 1966 | 175,567 | 1965 | 174,403 | 1964 | 172,934 | 1963 | 170,982 | 1962 | 168,720 | 1961 | 166,586 | 1960 | 164,816 |
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