BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 187 63%
2 United States 43 14.5%
3 Germany 33 11.1%
4 Netherlands 18 6.1%
5 Taiwan 3 1%
6 Hong Kong 3 1%
7 Japan 3 1%
8 India 2 0.7%
9 Turks and Caicos Islands 2 0.7%
10 United Kingdom 2 0.7%
11 Australia 1 0.3%