Year | Value | 2022 | 385,666 | 2021 | 393,395 | 2020 | 398,799 | 2019 | 397,646 | 2018 | 396,789 | 2017 | 397,222 | 2016 | 398,107 | 2015 | 401,038 | 2014 | 406,162 | 2013 | 412,218 | 2012 | 420,072 | 2011 | 426,085 | 2010 | 427,084 | 2009 | 424,789 | 2008 | 420,503 | 2007 | 414,551 | 2006 | 408,652 | 2005 | 403,907 | 2004 | 400,873 | 2003 | 399,439 | 2002 | 399,019 | 2001 | 398,909 | 2000 | 397,877 | 1999 | 394,079 | 1998 | 386,477 | 1997 | 375,917 | 1996 | 364,366 | 1995 | 353,133 | 1994 | 344,811 | 1993 | 340,143 | 1992 | 337,240 | 1991 | 334,964 | 1990 | 331,226 | 1989 | 325,214 | 1988 | 317,520 | 1987 | 308,685 | 1986 | 300,005 | 1985 | 293,967 | 1984 | 292,275 | 1983 | 295,510 | 1982 | 303,002 | 1981 | 312,693 | 1980 | 321,245 | 1979 | 327,914 | 1978 | 331,899 | 1977 | 333,679 | 1976 | 334,090 | 1975 | 333,253 | 1974 | 334,256 | 1973 | 336,357 | 1972 | 336,100 | 1971 | 332,030 | 1970 | 324,807 | 1969 | 314,076 | 1968 | 299,380 | 1967 | 281,936 | 1966 | 263,901 | 1965 | 247,389 | 1964 | 233,986 | 1963 | 223,908 | 1962 | 217,422 | 1961 | 214,339 | 1960 | 214,622 |
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