| 年度 | 实际值 |
|---|---|
| 1993 | 1082 |
| 1994 | 1116 |
| 1995 | 1429 |
| 1996 | 943 |
| 1997 | 940 |
| 1998 | 879 |
| 1999 | 952 |
| 2000 | 933 |
| 2001 | 931 |
| 2002 | 647 |
| 2003 | 838 |
| 2004 | 955 |
| 2005 | 902 |
| 2006 | 912 |
| 2007 | 1090 |
| 2008 | 1150 |
| 2009 | |
| 2010 | 1095 |
| 2011 | 1210 |
| 2012 | 1181 |
| 2013 | 1310 |
| 2014 | 1383 |
| 2015 | 1555 |
| 2016 | 1596 |
| 2017 | 1654 |
| 2018 | 1761 |