Year | Value | 2022 | 239,594 | 2021 | 256,695 | 2020 | 275,978 | 2019 | 296,599 | 2018 | 318,209 | 2017 | 340,102 | 2016 | 361,111 | 2015 | 377,906 | 2014 | 388,250 | 2013 | 394,307 | 2012 | 397,281 | 2011 | 394,878 | 2010 | 389,207 | 2009 | 384,500 | 2008 | 379,142 | 2007 | 372,288 | 2006 | 366,392 | 2005 | 362,080 | 2004 | 357,748 | 2003 | 352,821 | 2002 | 348,759 | 2001 | 347,597 | 2000 | 348,014 | 1999 | 348,148 | 1998 | 346,969 | 1997 | 344,862 | 1996 | 342,854 | 1995 | 342,749 | 1994 | 347,021 | 1993 | 358,084 | 1992 | 374,702 | 1991 | 394,075 | 1990 | 414,525 | 1989 | 431,727 | 1988 | 442,286 | 1987 | 446,143 | 1986 | 443,387 | 1985 | 437,738 | 1984 | 430,231 | 1983 | 420,393 | 1982 | 408,875 | 1981 | 396,824 | 1980 | 384,214 | 1979 | 373,927 | 1978 | 365,971 | 1977 | 355,715 | 1976 | 340,185 | 1975 | 318,166 | 1974 | 290,389 | 1973 | 262,639 | 1972 | 243,868 | 1971 | 239,464 | 1970 | 249,783 | 1969 | 270,858 | 1968 | 296,583 | 1967 | 319,955 | 1966 | 335,726 | 1965 | 342,259 | 1964 | 341,213 | 1963 | 336,025 | 1962 | 331,073 | 1961 | 330,049 | 1960 | 333,901 |
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