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 United States 75 43.1%
2 China 35 20.1%
3 Germany 20 11.5%
4 France 9 5.2%
5 Ukraine 7 4%
6 Netherlands 4 2.3%
7 Republic of Korea 4 2.3%
8 Brazil 3 1.7%
9 Canada 3 1.7%
10 India 2 1.1%
11 Iran 2 1.1%
12 Philippines 2 1.1%
13 United Kingdom 2 1.1%
14 Spain 2 1.1%
15 Sweden 1 0.6%
16 Saudi Arabia 1 0.6%
17 Argentina 1 0.6%
18 Ecuador 1 0.6%