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 160 39.8%
2 United States 85 21.1%
3 Netherlands 57 14.2%
4 Germany 37 9.2%
5 France 24 6%
6 Czech Republic 9 2.2%
7 Taiwan 6 1.5%
8 United Kingdom 4 1%
9 Senegal 4 1%
10 3 0.7%
11 Azerbaijan 2 0.5%
12 Canada 2 0.5%
13 India 2 0.5%
14 Kazakhstan 1 0.2%
15 Malaysia 1 0.2%
16 Hong Kong 1 0.2%
17 Singapore 1 0.2%
18 Sweden 1 0.2%
19 Philippines 1 0.2%
20 Romania 1 0.2%