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
1 640 75.4%
2 United States 89 10.5%
3 Germany 56 6.6%
4 China 26 3.1%
5 Norway 8 0.9%
6 France 6 0.7%
7 Russia 5 0.6%
8 United Kingdom 4 0.5%
9 India 4 0.5%
10 Ireland 3 0.4%
11 Ukraine 3 0.4%
12 Singapore 1 0.1%
13 Netherlands 1 0.1%
14 New Zealand 1 0.1%
15 Estonia 1 0.1%
16 Austria 1 0.1%