Year | Value | 2022 | 198,013 | 2021 | 195,184 | 2020 | 192,576 | 2019 | 188,646 | 2018 | 184,958 | 2017 | 183,154 | 2016 | 181,360 | 2015 | 179,271 | 2014 | 177,057 | 2013 | 173,962 | 2012 | 169,556 | 2011 | 165,266 | 2010 | 162,850 | 2009 | 162,398 | 2008 | 163,094 | 2007 | 164,656 | 2006 | 167,799 | 2005 | 171,171 | 2004 | 174,331 | 2003 | 177,377 | 2002 | 178,815 | 2001 | 179,240 | 2000 | 179,667 | 1999 | 178,796 | 1998 | 176,251 | 1997 | 173,384 | 1996 | 170,670 | 1995 | 167,811 | 1994 | 165,480 | 1993 | 164,169 | 1992 | 163,264 | 1991 | 162,574 | 1990 | 162,642 | 1989 | 162,501 | 1988 | 161,514 | 1987 | 160,116 | 1986 | 158,338 | 1985 | 156,864 | 1984 | 156,492 | 1983 | 157,069 | 1982 | 158,350 | 1981 | 161,244 | 1980 | 163,402 | 1979 | 162,953 | 1978 | 159,591 | 1977 | 152,415 | 1976 | 141,464 | 1975 | 130,506 | 1974 | 121,725 | 1973 | 114,369 | 1972 | 109,197 | 1971 | 106,015 | 1970 | 103,463 | 1969 | 100,647 | 1968 | 98,712 | 1967 | 98,184 | 1966 | 98,968 | 1965 | 101,205 | 1964 | 104,192 | 1963 | 106,987 | 1962 | 109,323 | 1961 | 111,725 | 1960 | 114,497 |
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