| Number of articles in corpus and sample in Chinese | ||||||||||
|
| Total | Sample | Total | |||||||
| 2013-2014 | 2014-2015 | 2015-2016 | 2016-2017 | Total | 2013-2014 | 2014-2015 | 2015-2016 | 2016-2017 | ||
| Newspaper Title | 639 | 558 | 813 | 979 | 2989 | 13 | 12 | 16 | 19 | 60 |
| Renmin2 | 214 | 227 | 290 | 332 | 1063 | 5 | 5 | 5 | 7 | 22 |
| Xinhua3 | 187 | 198 | 208 | 393 | 986 | 4 | 3 | 4 | 8 | 20 |
| Sina4 | 238 | 133 | 315 | 254 | 940 | 5 | 3 | 6 | 5 | 19 |
|
| 639 | 558 | 813 | 979 | 2989 | 14 | 11 | 15 | 20 | 60 |