BPG致力于知识的发现和传播
Total Visits of This Article
2019 | 总访问次数
排名 国家/地区 数量 占比
1 United States 42 36.5%
2 China 24 20.9%
3 Russia 20 17.4%
4 Ukraine 7 6.1%
5 Netherlands 5 4.3%
6 France 3 2.6%
7 Germany 2 1.7%
8 India 2 1.7%
9 Ecuador 2 1.7%
10 Estonia 2 1.7%
11 Bosnia and Herzegovina 1 0.9%
12 Bulgaria 1 0.9%
13 Canada 1 0.9%
14 Japan 1 0.9%
15 Korea, Republic of 1 0.9%
16 United Kingdom 1 0.9%