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 12 32.4%
2 United States 12 32.4%
3 Canada 3 8.1%
4 Germany 3 8.1%
5 Hong Kong 2 5.4%
6 Japan 2 5.4%
7 Saudi Arabia 1 2.7%
8 Singapore 1 2.7%
9 Spain 1 2.7%