BPG致力于知识的发现和传播
Total Visits of This Article
2018 | 总访问次数
排名 国家/地区 数量 占比
1 China 137 39.1%
2 United States 119 34%
3 Germany 33 9.4%
4 France 18 5.1%
5 Netherlands 16 4.6%
6 India 5 1.4%
7 Finland 4 1.1%
8 Romania 4 1.1%
9 United Kingdom 4 1.1%
10 Ukraine 2 0.6%
11 Russia 1 0.3%
12 Saudi Arabia 1 0.3%
13 Spain 1 0.3%
14 Thailand 1 0.3%
15 Canada 1 0.3%
16 Japan 1 0.3%
17 Malaysia 1 0.3%
18 Haiti 1 0.3%