年度 | 实际值 |
---|---|
1995 | 29.3 |
1996 | 32 |
1997 | 32.19 |
1998 | 35.6 |
1999 | 35.8 |
2000 | 31 |
2001 | 27.14 |
2002 | 26.99 |
2003 | 28.43 |
2004 | 29.73 |
2005 | 30.89 |
2006 | 32.62 |
2007 | 33.55 |
2008 | 36.8 |
2009 | |
2010 | 42.8 |
2011 | 44.38 |
2012 | 44.87 |
2013 | 43.83 |
2014 | 43.66 |
2015 | 41.84 |
2016 | 38.23 |
2017 | |
2018 | 30.47 |