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 44 40%
2 Germany 22 20%
3 China 19 17.3%
4 France 5 4.5%
5 India 4 3.6%
6 Russia 4 3.6%
7 United Kingdom 3 2.7%
8 Korea, Republic of 2 1.8%
9 Czech Republic 2 1.8%
10 Ecuador 1 0.9%
11 Hong Kong 1 0.9%
12 Iraq 1 0.9%
13 Israel 1 0.9%
14 Turkey 1 0.9%