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 211 52.5%
2 United States 79 19.7%
3 Germany 33 8.2%
4 Netherlands 21 5.2%
5 France 11 2.7%
6 Taiwan 8 2%
7 United Kingdom 5 1.2%
8 Canada 5 1.2%
9 Czech Republic 4 1%
10 India 3 0.7%
11 Korea, Republic of 3 0.7%
12 Ukraine 3 0.7%
13 Norway 2 0.5%
14 Philippines 2 0.5%
15 Senegal 2 0.5%
16 Singapore 2 0.5%
17 2 0.5%
18 Belgium 2 0.5%
19 Brazil 1 0.2%
20 Australia 1 0.2%
21 Japan 1 0.2%
22 Hong Kong 1 0.2%