1980 825,413

1981 835,232

1982 805,696

1983 747,543

1984 712,668

1985 710,813

1986 716,781

1987 686,585

1988 687,994

1989 680,613

1990 646,772

1991 622,083

1992 597,020

1993 613,094

1994 597,066

1995 612,537

1996 644,109

1997 662,720

1998 674,597

1999 670,769

2000 626,256

2001 615,393

2002 595,170

2003 578,157

2004 556,929

2005 551,607

2006 543,659

2007 537,140

2008 534,756

2009 536,062

2010 530,949

2011 492,869

2012 529,590

2013 558,898