Year | Value | 2023 | 316,233 | 2022 | 324,402 | 2021 | 331,219 | 2020 | 335,582 | 2019 | 338,002 | 2018 | 343,221 | 2017 | 353,873 | 2016 | 364,575 | 2015 | 369,323 | 2014 | 367,147 | 2013 | 359,939 | 2012 | 347,697 | 2011 | 331,162 | 2010 | 308,870 | 2009 | 284,130 | 2008 | 256,664 | 2007 | 231,495 | 2006 | 212,185 | 2005 | 195,535 | 2004 | 181,701 | 2003 | 170,519 | 2002 | 160,256 | 2001 | 147,341 | 2000 | 131,072 | 1999 | 113,581 | 1998 | 97,968 | 1997 | 87,864 | 1996 | 87,652 | 1995 | 98,731 | 1994 | 118,800 | 1993 | 144,059 | 1992 | 167,373 | 1991 | 183,628 | 1990 | 191,930 | 1989 | 191,369 | 1988 | 184,738 | 1987 | 176,571 | 1986 | 164,816 | 1985 | 155,637 | 1984 | 152,751 | 1983 | 153,373 | 1982 | 153,404 | 1981 | 151,089 | 1980 | 146,414 | 1979 | 139,072 | 1978 | 129,535 | 1977 | 118,013 | 1976 | 109,449 | 1975 | 101,335 |
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