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 167 32%
2 United States 132 25.3%
3 Netherlands 68 13%
4 Germany 37 7.1%
5 United Kingdom 29 5.6%
6 France 26 5%
7 Russia 15 2.9%
8 Taiwan 11 2.1%
9 Japan 6 1.1%
10 Korea, Republic of 4 0.8%
11 Hong Kong 3 0.6%
12 3 0.6%
13 Ukraine 3 0.6%
14 Estonia 2 0.4%
15 India 2 0.4%
16 Canada 2 0.4%
17 Senegal 2 0.4%
18 Norway 2 0.4%
19 Philippines 2 0.4%
20 Poland 1 0.2%
21 Sweden 1 0.2%
22 Moldova, Republic of 1 0.2%
23 Finland 1 0.2%
24 Australia 1 0.2%
25 Viet Nam 1 0.2%