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 256 36.6%
2 China 219 31.3%
3 Netherlands 94 13.4%
4 Germany 34 4.9%
5 United Kingdom 26 3.7%
6 France 22 3.1%
7 Hong Kong 12 1.7%
8 Russia 9 1.3%
9 Portugal 6 0.9%
10 India 4 0.6%
11 Ireland 4 0.6%
12 3 0.4%
13 Estonia 2 0.3%
14 Japan 2 0.3%
15 Korea, Republic of 2 0.3%
16 Finland 1 0.1%
17 Canada 1 0.1%
18 Norway 1 0.1%
19 Spain 1 0.1%