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 126 37.2%
2 United States 98 28.9%
3 Germany 25 7.4%
4 Netherlands 17 5%
5 France 15 4.4%
6 Korea, Republic of 14 4.1%
7 Taiwan 9 2.7%
8 Czech Republic 7 2.1%
9 5 1.5%
10 Senegal 5 1.5%
11 Australia 4 1.2%
12 Japan 4 1.2%
13 India 3 0.9%
14 Canada 2 0.6%
15 Norway 2 0.6%
16 Philippines 1 0.3%
17 Ukraine 1 0.3%
18 Denmark 1 0.3%