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 41 36.9%
2 United States 21 18.9%
3 Germany 17 15.3%
4 Canada 9 8.1%
5 France 8 7.2%
6 Senegal 3 2.7%
7 Singapore 3 2.7%
8 Czech Republic 2 1.8%
9 Netherlands 2 1.8%
10 New Zealand 1 0.9%
11 India 1 0.9%
12 Malaysia 1 0.9%
13 Australia 1 0.9%
14 Viet Nam 1 0.9%