Year | Value | 2022 | 303,744 | 2021 | 332,971 | 2020 | 369,021 | 2019 | 423,654 | 2018 | 484,597 | 2017 | 548,259 | 2016 | 582,904 | 2015 | 584,485 | 2014 | 563,256 | 2013 | 519,216 | 2012 | 462,178 | 2011 | 418,890 | 2010 | 409,182 | 2009 | 427,457 | 2008 | 466,606 | 2007 | 506,959 | 2006 | 528,446 | 2005 | 525,260 | 2004 | 507,006 | 2003 | 480,609 | 2002 | 441,194 | 2001 | 402,966 | 2000 | 369,902 | 1999 | 339,023 | 1998 | 313,518 | 1997 | 290,858 | 1996 | 269,756 | 1995 | 261,137 | 1994 | 268,904 | 1993 | 285,276 | 1992 | 316,797 | 1991 | 357,205 | 1990 | 388,539 | 1989 | 399,328 | 1988 | 394,141 | 1987 | 385,455 | 1986 | 376,682 | 1985 | 368,014 | 1984 | 359,358 | 1983 | 353,332 | 1982 | 343,336 | 1981 | 329,523 | 1980 | 317,278 | 1979 | 307,358 | 1978 | 293,674 | 1977 | 278,055 | 1976 | 267,119 | 1975 | 260,495 | 1974 | 255,195 | 1973 | 252,688 | 1972 | 253,900 | 1971 | 250,981 | 1970 | 246,509 | 1969 | 241,238 | 1968 | 235,306 | 1967 | 228,843 | 1966 | 221,042 | 1965 | 214,399 | 1964 | 210,751 | 1963 | 202,097 | 1962 | 192,178 | 1961 | 185,010 | 1960 | 176,071 |
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