Show data table
| 1990 | 189.8% | 1997 | 147.6% | 2004 | 113% |
| 1991 | 182.4% | 1998 | 151.2% | 2005 | 50.7% |
| 1992 | 173.6% | 1999 | 147.7% | 2006 | 45% |
| 1993 | 171.9% | 2000 | 152.1% | 2007 | 42.7% |
| 1994 | 163% | 2001 | 144.5% | 2008 | 37.3% |
| 1995 | 152.6% | 2002 | 132.4% | 2009 | 31.2% |
| 1996 | 141.5% | 2003 | 133.4% | 2010 | 30% |
Show data table
| 1990 | 509B | 1997 | 1.1T | 2004 | 1.43T |
| 1991 | 568B | 1998 | 1.2T | 2005 | 764B |
| 1992 | 645B | 1999 | 1.21T | 2006 | 776B |
| 1993 | 711B | 2000 | 1.44T | 2007 | 862B |
| 1994 | 825B | 2001 | 1.46T | 2008 | 914B |
| 1995 | 872B | 2002 | 1.48T | 2009 | 787B |
| 1996 | 977B | 2003 | 1.43T | 2010 | 838B |
Show data table
| 1990 | 173.3% | 1997 | 111.6% | 2004 | 85.4% |
| 1991 | 163.2% | 1998 | 115.3% | 2005 | 31.2% |
| 1992 | 151.5% | 1999 | 107.6% | 2006 | 28.8% |
| 1993 | 148.7% | 2000 | 112.8% | 2007 | 27% |
| 1994 | 136.9% | 2001 | 105.8% | 2008 | 21.7% |
| 1995 | 123.9% | 2002 | 95.7% | 2009 | 17.9% |
| 1996 | 109.3% | 2003 | 95.1% | 2010 | 18.8% |
Show data table
| 1990 | 465B | 1997 | 832B | 2004 | 1.08T |
| 1991 | 509B | 1998 | 911B | 2005 | 471B |
| 1992 | 563B | 1999 | 882B | 2006 | 498B |
| 1993 | 615B | 2000 | 1.07T | 2007 | 546B |
| 1994 | 693B | 2001 | 1.07T | 2008 | 531B |
| 1995 | 707B | 2002 | 1.07T | 2009 | 452B |
| 1996 | 755B | 2003 | 1.02T | 2010 | 525B |