City | 2012 | 2016 | 2020 | |||
Out-degree | In-degree | Out-degree | In-degree | Out-degree | In-degree | |
Xi’an | 5 | 10 | 8 | 10 | 9 | 10 |
Baoji | 3 | 3 | 5 | 7 | 8 | 9 |
Xi’anyang | 2 | 4 | 5 | 8 | 8 | 9 |
Weinan | 2 | 2 | 3 | 3 | 4 | 4 |
Shangluo | 1 | 1 | 3 | 1 | 3 | 3 |
Tongchuan | 1 | 0 | 2 | 0 | 3 | 1 |
Yuncheng | 1 | 1 | 3 | 3 | 3 | 4 |
Linfen | 1 | 0 | 1 | 1 | 3 | 1 |
Tianshui | 3 | 1 | 3 | 3 | 3 | 3 |
Pingliang | 3 | 1 | 3 | 3 | 3 | 3 |
Qingyang | 1 | 0 | 3 | 0 | 3 | 3 |