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 21 25.3%
2 United States 19 22.9%
3 Germany 16 19.3%
4 Hong Kong 10 12%
5 Spain 10 12%
6 Taiwan 2 2.4%
7 United Kingdom 2 2.4%
8 Peru 1 1.2%
9 Republic of Korea 1 1.2%
10 Saudi Arabia 1 1.2%