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 164 58.2%
2 Germany 54 19.1%
3 United States 42 14.9%
4 Taiwan 3 1.1%
5 Ukraine 3 1.1%
6 United Kingdom 3 1.1%
7 Hong Kong 2 0.7%
8 India 2 0.7%
9 Brazil 2 0.7%
10 Canada 2 0.7%
11 Mexico 2 0.7%
12 Netherlands 1 0.4%
13 Poland 1 0.4%
14 Luxembourg 1 0.4%