Year | Value | 2021 | 103,016 | 2020 | 104,559 | 2019 | 395,436 | 2018 | 401,408 | 2017 | 711,554 | 2016 | 224,653 | 2015 | 23,405 | 2014 | 688,368 | 2013 | 1,211,208 | 2012 | 1,285,976 | 2011 | 1,263,117 | 2010 | 1,583,627 | 2009 | 1,943,949 | 2008 | 2,111,205 | 2007 | 2,071,648 | 2006 | 1,944,138 | 2005 | 1,920,516 | 2004 | 2,013,254 | 2003 | 1,882,981 | 2002 | 1,704,780 | 2001 | 1,503,427 | 2000 | 1,396,076 | 1999 | 1,336,700 | 1998 | 1,346,400 | 1997 | 1,278,100 | 1996 | 1,214,100 | 1995 | 1,218,900 | 1994 | 1,233,900 | 1993 | 1,011,000 | 1992 | 946,800 | 1991 | 819,700 | 1990 | 813,700 | 1989 | 747,700 | 1988 | 696,900 | 1987 | 683,700 | 1986 | 620,500 | 1985 | 613,400 | 1984 | 563,000 | 1983 | 485,300 | 1982 | 454,300 | 1981 | 455,000 | 1980 | 440,800 | 1979 | 387,500 | 1978 | 315,300 | 1977 | 266,300 | 1976 | 225,300 | 1975 | 135,800 | 1974 | 125,700 | 1973 | 233,100 | 1972 | 201,000 | 1971 | 150,200 | 1970 | 106,500 |
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