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 United States 43 23.9%
2 Germany 42 23.3%
3 China 40 22.2%
4 Canada 28 15.6%
5 France 7 3.9%
6 India 5 2.8%
7 Cote D'ivoire 2 1.1%
8 Portugal 2 1.1%
9 Russia 2 1.1%
10 Syrian Arab Republic 2 1.1%
11 Ukraine 1 0.6%
12 United Kingdom 1 0.6%
13 Serbia 1 0.6%
14 Estonia 1 0.6%
15 Japan 1 0.6%
16 Kenya 1 0.6%
17 Morocco 1 0.6%