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 47 49%
2 China 21 21.9%
3 Germany 15 15.6%
4 Taiwan 3 3.1%
5 Hong Kong 2 2.1%
6 New Zealand 2 2.1%
7 Republic of Korea 1 1%
8 Denmark 1 1%
9 France 1 1%
10 India 1 1%
11 Ireland 1 1%
12 Japan 1 1%