表を表示
| 1990 | 24.3% | 1997 | 27.2% | 2004 | 27.1% |
| 1991 | 27.7% | 1998 | 26% | 2005 | 23.8% |
| 1992 | 26.9% | 1999 | 26.6% | 2006 | 25.2% |
| 1993 | 24.4% | 2000 | 26% | 2007 | 22.7% |
| 1994 | 24.3% | 2001 | 30.3% | 2008 | 20.1% |
| 1995 | 25.9% | 2002 | 26.5% | 2009 | 23.9% |
| 1996 | 24.9% | 2003 | 29.9% | 2010 | 20.8% |
表を表示
| 1990 | 653億 | 1997 | 2,027億 | 2004 | 3,439億 |
| 1991 | 863億 | 1998 | 2,056億 | 2005 | 3,580億 |
| 1992 | 1,000億 | 1999 | 2,175億 | 2006 | 4,353億 |
| 1993 | 1,011億 | 2000 | 2,463億 | 2007 | 4,591億 |
| 1994 | 1,228億 | 2001 | 3,060億 | 2008 | 4,912億 |
| 1995 | 1,482億 | 2002 | 2,958億 | 2009 | 6,012億 |
| 1996 | 1,718億 | 2003 | 3,216億 | 2010 | 5,820億 |
表を表示
| 1990 | 28.3% | 1997 | 29% | 2004 | 31.3% |
| 1991 | 34.3% | 1998 | 28.8% | 2005 | 28.2% |
| 1992 | 34.2% | 1999 | 28% | 2006 | 26.3% |
| 1993 | 29.4% | 2000 | 27.4% | 2007 | 25.7% |
| 1994 | 30.3% | 2001 | 28% | 2008 | 22.9% |
| 1995 | 29.8% | 2002 | 28.5% | 2009 | 26.7% |
| 1996 | 27.7% | 2003 | 32.6% | 2010 | 28.6% |
表を表示
| 1990 | 758億 | 1997 | 2,160億 | 2004 | 3,969億 |
| 1991 | 1,068億 | 1998 | 2,279億 | 2005 | 4,245億 |
| 1992 | 1,270億 | 1999 | 2,296億 | 2006 | 4,546億 |
| 1993 | 1,217億 | 2000 | 2,592億 | 2007 | 5,194億 |
| 1994 | 1,531億 | 2001 | 2,827億 | 2008 | 5,613億 |
| 1995 | 1,699億 | 2002 | 3,184億 | 2009 | 6,741億 |
| 1996 | 1,913億 | 2003 | 3,506億 | 2010 | 7,995億 |