Year | Value | 2022 | 381,124 | 2021 | 373,239 | 2020 | 365,007 | 2019 | 359,963 | 2018 | 354,641 | 2017 | 350,392 | 2016 | 348,165 | 2015 | 345,481 | 2014 | 342,364 | 2013 | 341,890 | 2012 | 339,199 | 2011 | 332,906 | 2010 | 328,325 | 2009 | 324,041 | 2008 | 316,424 | 2007 | 308,055 | 2006 | 301,177 | 2005 | 293,415 | 2004 | 287,933 | 2003 | 286,480 | 2002 | 287,554 | 2001 | 291,744 | 2000 | 296,779 | 1999 | 298,443 | 1998 | 298,096 | 1997 | 298,639 | 1996 | 298,109 | 1995 | 296,156 | 1994 | 294,410 | 1993 | 293,462 | 1992 | 291,561 | 1991 | 289,553 | 1990 | 288,326 | 1989 | 287,008 | 1988 | 284,968 | 1987 | 281,643 | 1986 | 276,925 | 1985 | 271,610 | 1984 | 263,695 | 1983 | 251,900 | 1982 | 241,811 | 1981 | 234,496 | 1980 | 227,514 | 1979 | 225,322 | 1978 | 228,461 | 1977 | 231,598 | 1976 | 233,393 | 1975 | 232,952 | 1974 | 227,176 | 1973 | 223,413 | 1972 | 223,575 | 1971 | 224,761 | 1970 | 220,884 | 1969 | 218,006 | 1968 | 219,579 | 1967 | 217,134 | 1966 | 213,383 | 1965 | 213,740 | 1964 | 211,135 | 1963 | 202,295 | 1962 | 195,521 | 1961 | 190,201 | 1960 | 180,723 |
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