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
1 201 75.6%
2 China 28 10.5%
3 United States 13 4.9%
4 Slovakia 7 2.6%
5 Taiwan 3 1.1%
6 United Kingdom 3 1.1%
7 Italy 3 1.1%
8 Canada 3 1.1%
9 Germany 2 0.8%
10 Hong Kong 2 0.8%
11 Netherlands 1 0.4%