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 105 57.4%
2 United States 46 25.1%
3 Germany 15 8.2%
4 Hong Kong 3 1.6%
5 Netherlands 3 1.6%
6 Romania 3 1.6%
7 Taiwan 1 0.5%
8 United Kingdom 1 0.5%
9 Canada 1 0.5%
10 Poland 1 0.5%
11 Republic of Korea 1 0.5%
12 France 1 0.5%
13 Japan 1 0.5%
14 Macao 1 0.5%