Year | Value | 2022 | 471,656 | 2021 | 455,664 | 2020 | 440,758 | 2019 | 426,023 | 2018 | 411,836 | 2017 | 398,978 | 2016 | 386,291 | 2015 | 371,914 | 2014 | 356,485 | 2013 | 342,379 | 2012 | 330,006 | 2011 | 319,343 | 2010 | 311,080 | 2009 | 304,331 | 2008 | 298,189 | 2007 | 292,374 | 2006 | 286,169 | 2005 | 280,029 | 2004 | 274,581 | 2003 | 269,871 | 2002 | 266,300 | 2001 | 263,372 | 2000 | 260,241 | 1999 | 256,641 | 1998 | 252,708 | 1997 | 248,414 | 1996 | 243,738 | 1995 | 238,869 | 1994 | 234,196 | 1993 | 229,638 | 1992 | 225,010 | 1991 | 220,234 | 1990 | 215,177 | 1989 | 210,120 | 1988 | 205,400 | 1987 | 200,942 | 1986 | 196,634 | 1985 | 193,711 | 1984 | 192,685 | 1983 | 192,447 | 1982 | 192,612 | 1981 | 192,735 | 1980 | 191,351 | 1979 | 188,303 | 1978 | 184,204 | 1977 | 179,565 | 1976 | 175,089 | 1975 | 171,118 | 1974 | 167,608 | 1973 | 165,137 | 1972 | 163,183 | 1971 | 160,552 | 1970 | 157,329 | 1969 | 153,857 | 1968 | 149,809 | 1967 | 145,179 | 1966 | 140,611 | 1965 | 136,261 | 1964 | 131,750 | 1963 | 126,907 | 1962 | 122,174 | 1961 | 118,030 | 1960 | 114,762 |
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