| 年份 | 国内 | 国外 | 总体 |
| 2017 | 44.04% | 62.18% | 63.56% |
| 2018 | 9.14% | 6.21% | 7.87% |
| 2019 | 8.16% | 5.78% | 7.14% |
| 2020 | −0.63% | 0.63% | 2.16% |
| 2021 | 24.79% | 13.69% | 20.06% |