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 122 39%
2 United States 86 27.5%
3 Germany 25 8%
4 France 20 6.4%
5 Korea, Republic of 15 4.8%
6 Netherlands 11 3.5%
7 Czech Republic 7 2.2%
8 Taiwan 6 1.9%
9 Canada 5 1.6%
10 Japan 4 1.3%
11 3 1%
12 Senegal 3 1%
13 Singapore 2 0.6%
14 India 2 0.6%
15 Philippines 1 0.3%
16 Ukraine 1 0.3%