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 50 42.4%
2 Germany 18 15.3%
3 China 15 12.7%
4 Russia 7 5.9%
5 France 5 4.2%
6 Korea, Republic of 5 4.2%
7 Estonia 3 2.5%
8 Ukraine 3 2.5%
9 Taiwan 3 2.5%
10 Singapore 2 1.7%
11 Turkey 1 0.8%
12 Belarus 1 0.8%
13 Bulgaria 1 0.8%
14 Nigeria 1 0.8%
15 Poland 1 0.8%
16 India 1 0.8%
17 Ireland 1 0.8%