| 年份 | 小学学校数 (所) |
|---|---|
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 | 2.00 |
| 2014 | 2.00 |
| 2013 | 2.00 |
| 2012 | 2.00 |
| 2011 | 2.00 |
| 2010 | 2.00 |
| 2009 | 7.00 |
| 2008 | 7.00 |
| 2007 | 9.00 |
| 2006 | 10.00 |
| 2005 | 5.00 |
| 2004 | 10.00 |
| 2003 | 17.00 |
| 2002 | 18.00 |
| 2001 | 18.00 |
| 2000 | 25.00 |
| 1999 | 27.00 |
