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 China 65 36.1%
2 United States 62 34.4%
3 Netherlands 20 11.1%
4 Germany 17 9.4%
5 Hong Kong 3 1.7%
6 Czech Republic 2 1.1%
7 Taiwan 2 1.1%
8 United Kingdom 2 1.1%
9 Canada 1 0.6%
10 Ukraine 1 0.6%
11 France 1 0.6%
12 Portugal 1 0.6%
13 Russia 1 0.6%
14 India 1 0.6%
15 Japan 1 0.6%