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 135 54%
2 Germany 42 16.8%
3 United States 42 16.8%
4 Canada 8 3.2%
5 Taiwan 7 2.8%
6 United Kingdom 3 1.2%
7 Hong Kong 3 1.2%
8 Macao 3 1.2%
9 Netherlands 2 0.8%
10 Ireland 2 0.8%
11 Egypt 1 0.4%
12 Switzerland 1 0.4%
13 Mexico 1 0.4%