| Level | 2003 | 2016 |
| First category | Kunming (1) | Kunming, Guiyang, Nanning (3) |
| Second category | Liuzhou, Yuxi, Zunyi, Guiyang, Nanning, Guilin (6) | Yuxi, Liupanshui, Guilin, Zunyi, Liuzhou (5) |
| Third category | Wuhzou, Beihai, Qujing, Hechi, Lijiang, Puer, Guigang, Zhaotong, Qinzhou, Chongzuo, Baoshan, Fangchenggang, Yulin, Liupanshui, Baise, Lincang, Anshun, Hezhou, Laibin (19) | Qujing, Beihai, Puer, Qinzhou, Lijiang, Wuhzou, Fangchenggang, Yulin, Baise, Guigang, Zhaotong, Hezhou, Laibin, Baoshan, Chongzuo, Hechi, Lincang, Anshun (18) |