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 123 42.9%
2 United States 75 26.1%
3 Germany 21 7.3%
4 Netherlands 17 5.9%
5 France 9 3.1%
6 United Kingdom 9 3.1%
7 Korea, Republic of 6 2.1%
8 Russia 4 1.4%
9 Canada 4 1.4%
10 Japan 3 1%
11 India 2 0.7%
12 Australia 2 0.7%
13 Singapore 2 0.7%
14 Norway 2 0.7%
15 Taiwan 2 0.7%
16 Ukraine 1 0.3%
17 Philippines 1 0.3%
18 Poland 1 0.3%
19 Sweden 1 0.3%
20 Moldova, Republic of 1 0.3%
21 Finland 1 0.3%