Year | Value | 2023 | 683,071 | 2022 | 670,898 | 2021 | 659,080 | 2020 | 659,791 | 2019 | 671,736 | 2018 | 690,218 | 2017 | 716,165 | 2016 | 742,961 | 2015 | 759,886 | 2014 | 767,710 | 2013 | 770,145 | 2012 | 771,057 | 2011 | 769,717 | 2010 | 766,667 | 2009 | 763,470 | 2008 | 754,795 | 2007 | 736,530 | 2006 | 711,574 | 2005 | 682,979 | 2004 | 640,836 | 2003 | 578,282 | 2002 | 505,080 | 2001 | 438,621 | 2000 | 386,655 | 1999 | 357,582 | 1998 | 356,996 | 1997 | 384,217 | 1996 | 422,374 | 1995 | 452,414 | 1994 | 474,102 | 1993 | 476,876 | 1992 | 459,894 | 1991 | 443,234 | 1990 | 433,659 | 1989 | 424,785 | 1988 | 418,704 | 1987 | 411,979 | 1986 | 402,999 | 1985 | 395,164 | 1984 | 390,672 | 1983 | 384,926 | 1982 | 376,811 | 1981 | 366,174 | 1980 | 361,142 | 1979 | 350,800 | 1978 | 335,519 | 1977 | 329,104 | 1976 | 328,963 | 1975 | 329,290 | 1974 | 321,242 |
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