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 255 36.5%
2 China 246 35.2%
3 Netherlands 54 7.7%
4 Germany 42 6%
5 France 24 3.4%
6 United Kingdom 21 3%
7 Hong Kong 13 1.9%
8 Russia 10 1.4%
9 Portugal 7 1%
10 Ireland 5 0.7%
11 4 0.6%
12 India 3 0.4%
13 Ukraine 3 0.4%
14 Estonia 2 0.3%
15 Sri Lanka 2 0.3%
16 Canada 2 0.3%
17 Poland 2 0.3%
18 Taiwan 1 0.1%
19 Finland 1 0.1%
20 Barbados 1 0.1%
21 Iran, Islamic Republic of 1 0.1%