BPG致力于知识的发现和传播
Total Visits of This Article
2019 | 总访问次数
排名 国家/地区 数量 占比
1 35 38.5%
2 China 21 23.1%
3 United States 9 9.9%
4 Germany 8 8.8%
5 Hong Kong 6 6.6%
6 Russia 3 3.3%
7 United Kingdom 3 3.3%
8 Taiwan 2 2.2%
9 Korea, Republic of 2 2.2%
10 France 1 1.1%
11 Switzerland 1 1.1%