Year | Value | 2022 | 372,305 | 2021 | 394,859 | 2020 | 414,900 | 2019 | 429,468 | 2018 | 430,049 | 2017 | 420,282 | 2016 | 406,733 | 2015 | 389,349 | 2014 | 372,370 | 2013 | 364,696 | 2012 | 362,540 | 2011 | 356,967 | 2010 | 346,178 | 2009 | 334,060 | 2008 | 321,140 | 2007 | 308,572 | 2006 | 301,712 | 2005 | 302,410 | 2004 | 306,360 | 2003 | 312,825 | 2002 | 324,024 | 2001 | 340,547 | 2000 | 361,056 | 1999 | 385,813 | 1998 | 408,190 | 1997 | 419,168 | 1996 | 419,663 | 1995 | 414,093 | 1994 | 402,854 | 1993 | 390,726 | 1992 | 385,111 | 1991 | 377,882 | 1990 | 363,584 | 1989 | 356,898 | 1988 | 354,237 | 1987 | 347,476 | 1986 | 345,167 | 1985 | 347,278 | 1984 | 343,589 | 1983 | 335,188 | 1982 | 328,097 | 1981 | 321,047 | 1980 | 315,827 | 1979 | 314,572 | 1978 | 317,842 | 1977 | 323,208 | 1976 | 330,094 | 1975 | 338,323 | 1974 | 345,616 | 1973 | 350,407 | 1972 | 353,117 | 1971 | 355,454 | 1970 | 357,706 | 1969 | 357,209 | 1968 | 356,809 | 1967 | 358,275 | 1966 | 359,149 | 1965 | 356,196 | 1964 | 349,495 | 1963 | 326,395 | 1962 | 288,738 | 1961 | 252,378 | 1960 | 223,331 |
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