BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 54 32.3%
2 China 48 28.7%
3 Germany 21 12.6%
4 Netherlands 14 8.4%
5 Russia 5 3%
6 Taiwan 5 3%
7 France 4 2.4%
8 United Kingdom 4 2.4%
9 Hong Kong 4 2.4%
10 Indonesia 1 0.6%
11 Mexico 1 0.6%
12 Croatia 1 0.6%
13 Belarus 1 0.6%
14 Belgium 1 0.6%
15 Canada 1 0.6%
16 Ukraine 1 0.6%
17 Portugal 1 0.6%