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 38 39.2%
2 China 21 21.6%
3 Germany 11 11.3%
4 Canada 7 7.2%
5 Netherlands 5 5.2%
6 United Kingdom 3 3.1%
7 Japan 3 3.1%
8 Macao 2 2.1%
9 New Zealand 1 1%
10 Republic of Korea 1 1%
11 Saudi Arabia 1 1%
12 Taiwan 1 1%
13 Thailand 1 1%
14 Hong Kong 1 1%
15 Ireland 1 1%