Year | Value | 2022 | 685,126 | 2021 | 670,499 | 2020 | 649,251 | 2019 | 612,565 | 2018 | 555,229 | 2017 | 487,343 | 2016 | 425,838 | 2015 | 377,352 | 2014 | 349,970 | 2013 | 356,107 | 2012 | 388,350 | 2011 | 424,623 | 2010 | 453,440 | 2009 | 474,801 | 2008 | 485,307 | 2007 | 485,668 | 2006 | 480,475 | 2005 | 473,246 | 2004 | 464,954 | 2003 | 455,553 | 2002 | 444,266 | 2001 | 432,049 | 2000 | 418,799 | 1999 | 404,684 | 1998 | 383,885 | 1997 | 362,241 | 1996 | 344,628 | 1995 | 324,987 | 1994 | 303,355 | 1993 | 274,466 | 1992 | 237,536 | 1991 | 206,702 | 1990 | 185,706 | 1989 | 167,818 | 1988 | 154,131 | 1987 | 141,956 | 1986 | 129,984 | 1985 | 121,482 | 1984 | 116,555 | 1983 | 112,685 | 1982 | 109,714 | 1981 | 107,101 | 1980 | 108,199 | 1979 | 108,749 | 1978 | 109,465 | 1977 | 115,136 | 1976 | 126,247 | 1975 | 145,188 | 1974 | 157,184 | 1973 | 159,932 | 1972 | 162,266 | 1971 | 165,378 | 1970 | 171,959 | 1969 | 175,172 | 1968 | 172,460 | 1967 | 169,708 | 1966 | 166,892 | 1965 | 163,961 | 1964 | 160,899 | 1963 | 157,815 | 1962 | 154,748 | 1961 | 151,735 | 1960 | 148,786 |
|