Year | Value | 2022 | 338,253 | 2021 | 344,999 | 2020 | 357,221 | 2019 | 373,335 | 2018 | 389,145 | 2017 | 399,257 | 2016 | 402,322 | 2015 | 400,142 | 2014 | 392,984 | 2013 | 383,237 | 2012 | 374,707 | 2011 | 363,434 | 2010 | 347,555 | 2009 | 333,415 | 2008 | 323,724 | 2007 | 321,283 | 2006 | 331,333 | 2005 | 351,769 | 2004 | 377,852 | 2003 | 409,349 | 2002 | 444,419 | 2001 | 477,983 | 2000 | 506,054 | 1999 | 527,146 | 1998 | 541,011 | 1997 | 549,461 | 1996 | 555,902 | 1995 | 562,506 | 1994 | 568,281 | 1993 | 570,324 | 1992 | 566,176 | 1991 | 553,816 | 1990 | 532,218 | 1989 | 503,077 | 1988 | 470,133 | 1987 | 437,738 | 1986 | 410,024 | 1985 | 389,669 | 1984 | 377,041 | 1983 | 370,528 | 1982 | 367,889 | 1981 | 366,909 | 1980 | 366,595 | 1979 | 365,536 | 1978 | 362,389 | 1977 | 357,437 | 1976 | 351,308 | 1975 | 344,253 | 1974 | 336,856 | 1973 | 330,724 | 1972 | 326,197 | 1971 | 322,553 | 1970 | 319,680 | 1969 | 317,364 | 1968 | 315,232 | 1967 | 312,986 | 1966 | 309,979 | 1965 | 305,809 | 1964 | 300,491 | 1963 | 293,980 | 1962 | 286,662 | 1961 | 279,550 | 1960 | 273,189 |
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