Year | Value | 2022 | 489,748 | 2021 | 474,382 | 2020 | 462,156 | 2019 | 451,589 | 2018 | 445,126 | 2017 | 441,447 | 2016 | 440,570 | 2015 | 442,039 | 2014 | 445,331 | 2013 | 450,770 | 2012 | 456,658 | 2011 | 459,195 | 2010 | 456,549 | 2009 | 448,988 | 2008 | 435,665 | 2007 | 418,217 | 2006 | 401,975 | 2005 | 389,821 | 2004 | 381,032 | 2003 | 375,408 | 2002 | 372,426 | 2001 | 368,770 | 2000 | 362,475 | 1999 | 354,177 | 1998 | 343,986 | 1997 | 332,311 | 1996 | 321,539 | 1995 | 313,255 | 1994 | 307,367 | 1993 | 303,987 | 1992 | 302,473 | 1991 | 300,219 | 1990 | 295,573 | 1989 | 288,654 | 1988 | 279,077 | 1987 | 267,504 | 1986 | 257,177 | 1985 | 249,893 | 1984 | 245,200 | 1983 | 243,325 | 1982 | 243,169 | 1981 | 241,480 | 1980 | 236,716 | 1979 | 229,268 | 1978 | 218,961 | 1977 | 206,351 | 1976 | 193,940 | 1975 | 183,815 | 1974 | 176,951 | 1973 | 172,469 | 1972 | 169,794 | 1971 | 167,302 | 1970 | 163,542 | 1969 | 159,550 | 1968 | 155,823 | 1967 | 151,383 | 1966 | 145,977 | 1965 | 140,521 | 1964 | 134,892 | 1963 | 129,115 | 1962 | 123,165 | 1961 | 117,091 | 1960 | 111,289 |
|