| 国家覆盖量 | 国家数量增加量 | 国家数量增长率2 | 学堂数量 | 学堂数增加量 | 学堂量增长率 |
2007 | - | - | - | 10 | - | - |
2008 | - | - | - | 15 | 5 | 50% |
2009 | - | - | - | 16 | 1 | 7% |
2010 | - | - | - | 22 | 5 | 31% |
2011 [7] | - | - | - | 60 | 38 | 172% |
2012.10 [4] | 43 | - | - | 90 | 15 | 25% |
2013.12 [3] | 52 | 18 | 53% | 120 | 40 | 44% |
2014.12 [5] | 54 | 2 | 4% | 130 | 10 | 8% |
2015.12 [8] | 54 | 0 | 0% | 138 | 8 | 6% |
2016.12 [9] | 57 | 3 | 5.5% | 143 | 5 | 4% |
2017.12 [10] | 54 | −4 | −7% | 171 | 28 | 20% |
2018.12 [11] | 57 | 3 | 5.5% | 172 | 1 | 0.5% |