| 年度 | 实际值 |
|---|---|
| 1997 | 196400 |
| 1998 | 199800 |
| 1999 | 220000 |
| 2000 | 248503 |
| 2001 | 278400 |
| 2002 | 308200 |
| 2003 | 328300 |
| 2004 | 331892 |
| 2005 | 323400 |
| 2006 | 311374 |
| 2007 | 301856 |
| 2008 | 284696 |
| 2009 | 258178 |
| 2010 | 233095 |
| 2011 | 211291 |
| 2012 | 196211 |
| 2013 | 184600 |
| 2014 | 177400 |
| 2015 | 171500 |
| 2016 | 170000 |
| 2017 | 170000 |
| 2018 | 170000 |