|
| 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 |
| Anhui | 0.232 | 0.226 | 0.227 | 0.223 | 0.216 | 0.227 | 0.234 | 0.320 | 0.291 | 0.268 |
| Peking | 1.000 | 0.601 | 1.000 | 0.656 | 0.746 | 1.000 | 0.827 | 0.908 | 1.000 | 1.000 |
| Fujian | 0.294 | 0.291 | 0.297 | 0.291 | 0.312 | 0.326 | 0.330 | 0.441 | 0.471 | 1.000 |
| Gansu | 0.263 | 0.247 | 0.261 | 0.241 | 0.225 | 0.243 | 0.272 | 0.521 | 0.299 | 0.304 |
| Kwangtung | 0.104 | 0.103 | 0.104 | 0.107 | 0.104 | 0.104 | 0.103 | 0.119 | 0.099 | 0.015 |
| Guangxi | 0.422 | 0.435 | 0.491 | 0.532 | 0.692 | 0.732 | 0.719 | 1.000 | 0.791 | 0.736 |
| Guizhou | 0.187 | 0.199 | 0.244 | 0.257 | 0.301 | 0.358 | 0.382 | 0.554 | 0.426 | 0.425 |
| Hainan | 1.000 | 1.000 | 1.000 | 0.740 | 0.728 | 1.000 | 1.000 | 1.000 | 1.000 | 0.688 |
| Hebei | 0.373 | 0.365 | 0.356 | 0.336 | 0.315 | 0.329 | 0.339 | 0.440 | 0.392 | 0.374 |
| Henan | 0.309 | 0.310 | 0.297 | 0.287 | 0.287 | 0.313 | 0.394 | 0.805 | 0.611 | 0.571 |
| Heilongjiang | 0.158 | 0.161 | 0.158 | 0.140 | 0.131 | 0.102 | 0.091 | 1.000 | 0.098 | 0.106 |
| Hubei | 0.230 | 0.237 | 0.252 | 0.262 | 0.280 | 0.290 | 0.301 | 0.554 | 0.407 | 0.345 |
| Hunan | 0.339 | 0.322 | 0.337 | 0.339 | 0.338 | 0.344 | 0.330 | 0.608 | 0.489 | 0.468 |
| Ji Lin | 0.365 | 0.375 | 0.423 | 0.433 | 0.473 | 0.512 | 0.503 | 1.000 | 0.244 | 0.218 |
| Jiangsu | 0.416 | 0.438 | 0.475 | 0.518 | 0.562 | 0.617 | 0.716 | 1.000 | 1.000 | 1.000 |
| Jiangxi | 0.270 | 0.308 | 0.308 | 0.316 | 0.310 | 0.316 | 0.302 | 0.426 | 0.295 | 0.246 |
| Liaoning | 0.268 | 0.298 | 0.309 | 0.312 | 0.377 | 0.247 | 0.244 | 0.339 | 0.220 | 0.228 |
| Inner Mongolia | 0.390 | 0.375 | 0.360 | 0.346 | 0.308 | 0.290 | 0.251 | 1.000 | 0.238 | 0.228 |
| Ningxia | 0.255 | 0.237 | 0.214 | 0.188 | 1.000 | 0.211 | 0.584 | 0.174 | 0.140 | 0.152 |
| Qinghai | 1.000 | 0.890 | 0.880 | 1.000 | 1.000 | 0.805 | 0.821 | 1.000 | 0.573 | 0.589 |
| Shandong | 0.359 | 0.413 | 0.477 | 0.511 | 0.529 | 0.586 | 0.660 | 1.000 | 0.829 | 0.736 |
| Shanxi | 0.222 | 0.217 | 0.208 | 0.204 | 0.235 | 0.242 | 0.275 | 0.437 | 0.311 | 0.315 |
| Shaanxi | 0.329 | 0.333 | 0.350 | 0.344 | 0.331 | 0.344 | 0.383 | 0.529 | 0.439 | 0.406 |
| Shanghai | 0.262 | 0.260 | 0.263 | 0.276 | 0.286 | 0.306 | 0.323 | 0.408 | 0.539 | 0.423 |
| Sichuan | 0.499 | 0.479 | 0.514 | 0.524 | 0.535 | 0.570 | 0.614 | 0.917 | 1.000 | 1.000 |
| Tianjin | 0.285 | 0.273 | 0.289 | 0.292 | 0.292 | 0.332 | 0.427 | 0.451 | 0.284 | 0.255 |
| Xinjiang | 0.383 | 0.391 | 0.398 | 0.408 | 0.379 | 0.375 | 0.463 | 1.000 | 1.000 | 1.000 |
| Yunnan | 0.454 | 0.461 | 0.530 | 0.543 | 0.522 | 0.549 | 0.548 | 0.558 | 0.652 | 0.616 |
| Zhejiang | 0.257 | 0.285 | 0.328 | 0.356 | 0.387 | 0.451 | 0.517 | 0.571 | 1.000 | 1.000 |
| Chongqing | 0.331 | 0.343 | 0.380 | 0.365 | 0.462 | 0.458 | 0.435 | 0.427 | 0.446 | 0.401 |