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
1 389 70.5%
2 China 73 13.2%
3 United States 48 8.7%
4 Germany 15 2.7%
5 Taiwan 8 1.4%
6 France 6 1.1%
7 United Kingdom 3 0.5%
8 Japan 3 0.5%
9 Canada 2 0.4%
10 Netherlands 2 0.4%
11 Cyprus 1 0.2%
12 Korea, Republic of 1 0.2%
13 Hong Kong 1 0.2%