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 107 64.8%
2 China 22 13.3%
3 France 7 4.2%
4 Germany 7 4.2%
5 Ukraine 7 4.2%
6 Russia 4 2.4%
7 Canada 3 1.8%
8 United Kingdom 2 1.2%
9 Turkey 1 0.6%
10 Japan 1 0.6%
11 Netherlands 1 0.6%
12 Czech Republic 1 0.6%
13 Egypt 1 0.6%
14 Estonia 1 0.6%