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 259 69.3%
2 United States 55 14.7%
3 Germany 28 7.5%
4 Republic of Korea 8 2.1%
5 Russia 6 1.6%
6 Hong Kong 5 1.3%
7 Romania 3 0.8%
8 Netherlands 3 0.8%
9 Taiwan 2 0.5%
10 Finland 2 0.5%
11 India 1 0.3%
12 Macao 1 0.3%
13 United Kingdom 1 0.3%