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 26 33.8%
2 United States 25 32.5%
3 Germany 13 16.9%
4 Netherlands 3 3.9%
5 India 2 2.6%
6 Republic of Korea 2 2.6%
7 Singapore 1 1.3%
8 Spain 1 1.3%
9 United Kingdom 1 1.3%
10 Hong Kong 1 1.3%
11 Egypt 1 1.3%
12 New Zealand 1 1.3%