| 年份 | 安徽省 | 江西省 | 山西省 | 云南省 | 四川省 | 贵州省 |
| 2010 | 7.33% | 5.21% | 6.90% | 6.45% | 7.56% | 6.76% |
| 2011 | 8.42% | 4.93% | 5.98% | 5.79% | 10.91% | 6.37% |
| 2012 | 10.12% | 5.42% | 7.01% | 6.58% | 12.68% | 7.19% |
| 2013 | 11.62% | 7.32% | 8.90% | 8.15% | 14.97% | 9.15% |
| 2014 | 11.52% | 8.90% | 9.56% | 8.95% | 16.43% | 9.73% |
| 2015 | 10.00% | 8.83% | 8.37% | 7.96% | 15.07% | 8.52% |
| 2016 | 10.52% | 10.67% | 9.08% | 10.10% | 16.47% | 10.74% |
| 2017 | 11.48% | 11.92% | 9.93% | 12.82% | 16.53% | 13.18% |
| 2018 | 12.13% | 13.67% | 11.27% | 15.06% | 16.94% | 15.87% |
| 2019 | 12.86% | 14.56% | 12.10% | 16.64% | 17.48% | 18.57% |
| 2020 | 19.03% | 24.34% | 13.10% | 29.06% | 29.17% | 25.96% |