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 42 38.5%
2 China 23 21.1%
3 Germany 18 16.5%
4 Netherlands 9 8.3%
5 Taiwan 5 4.6%
6 India 3 2.8%
7 France 2 1.8%
8 Turkey 1 0.9%
9 Japan 1 0.9%
10 Korea, Republic of 1 0.9%
11 Portugal 1 0.9%
12 Republic of Korea 1 0.9%
13 Hong Kong 1 0.9%
14 Ecuador 1 0.9%