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 63 48.5%
2 China 32 24.6%
3 Germany 16 12.3%
4 India 4 3.1%
5 Japan 3 2.3%
6 Saudi Arabia 3 2.3%
7 Philippines 2 1.5%
8 Poland 1 0.8%
9 Ghana 1 0.8%
10 Ecuador 1 0.8%
11 Spain 1 0.8%
12 Thailand 1 0.8%
13 Ukraine 1 0.8%
14 Brazil 1 0.8%