Year | Value | 2022 | 437,404 | 2021 | 430,937 | 2020 | 425,438 | 2019 | 424,342 | 2018 | 423,471 | 2017 | 421,746 | 2016 | 422,667 | 2015 | 423,535 | 2014 | 422,767 | 2013 | 422,426 | 2012 | 422,563 | 2011 | 420,443 | 2010 | 413,793 | 2009 | 402,607 | 2008 | 388,140 | 2007 | 370,930 | 2006 | 352,263 | 2005 | 334,697 | 2004 | 319,682 | 2003 | 306,821 | 2002 | 295,038 | 2001 | 283,732 | 2000 | 272,905 | 1999 | 264,532 | 1998 | 259,813 | 1997 | 258,028 | 1996 | 255,019 | 1995 | 249,636 | 1994 | 245,201 | 1993 | 243,707 | 1992 | 243,547 | 1991 | 240,715 | 1990 | 237,392 | 1989 | 234,794 | 1988 | 233,058 | 1987 | 232,588 | 1986 | 231,126 | 1985 | 227,275 | 1984 | 221,975 | 1983 | 216,111 | 1982 | 209,069 | 1981 | 201,026 | 1980 | 192,247 | 1979 | 182,871 | 1978 | 172,850 | 1977 | 162,341 | 1976 | 151,706 | 1975 | 141,312 | 1974 | 131,271 | 1973 | 120,812 | 1972 | 110,163 | 1971 | 99,756 | 1970 | 89,970 | 1969 | 80,588 | 1968 | 72,990 | 1967 | 69,648 | 1966 | 70,202 | 1965 | 73,605 | 1964 | 79,726 | 1963 | 87,843 | 1962 | 94,725 | 1961 | 99,031 | 1960 | 100,850 |
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