Year | Value | 2022 | 358,488 | 2021 | 362,641 | 2020 | 367,417 | 2019 | 370,852 | 2018 | 371,548 | 2017 | 369,243 | 2016 | 364,968 | 2015 | 359,419 | 2014 | 354,219 | 2013 | 350,728 | 2012 | 348,610 | 2011 | 347,903 | 2010 | 346,247 | 2009 | 345,754 | 2008 | 344,290 | 2007 | 341,317 | 2006 | 336,615 | 2005 | 330,800 | 2004 | 326,377 | 2003 | 325,188 | 2002 | 327,262 | 2001 | 332,673 | 2000 | 340,600 | 1999 | 348,450 | 1998 | 354,181 | 1997 | 358,156 | 1996 | 361,584 | 1995 | 366,401 | 1994 | 373,816 | 1993 | 382,268 | 1992 | 388,769 | 1991 | 393,182 | 1990 | 395,148 | 1989 | 394,597 | 1988 | 392,476 | 1987 | 390,153 | 1986 | 387,519 | 1985 | 384,262 | 1984 | 380,308 | 1983 | 375,263 | 1982 | 370,595 | 1981 | 366,097 | 1980 | 361,758 | 1979 | 358,080 | 1978 | 356,314 | 1977 | 356,030 | 1976 | 356,746 | 1975 | 352,984 | 1974 | 343,546 | 1973 | 332,048 | 1972 | 315,584 | 1971 | 293,949 | 1970 | 278,656 | 1969 | 274,291 | 1968 | 274,435 | 1967 | 278,768 | 1966 | 286,919 | 1965 | 293,888 | 1964 | 295,917 | 1963 | 295,574 | 1962 | 298,411 | 1961 | 306,404 | 1960 | 315,850 |
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