BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 United States 50 35.2%
2 Netherlands 26 18.3%
3 China 19 13.4%
4 Germany 14 9.9%
5 France 7 4.9%
6 Colombia 5 3.5%
7 Denmark 3 2.1%
8 Korea, Republic of 3 2.1%
9 Canada 2 1.4%
10 Sweden 2 1.4%
11 Ukraine 2 1.4%
12 United Kingdom 2 1.4%
13 Ecuador 2 1.4%
14 Egypt 1 0.7%
15 India 1 0.7%
16 Indonesia 1 0.7%
17 Iraq 1 0.7%
18 Mexico 1 0.7%