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
1 882 87.8%
2 United States 51 5.1%
3 China 24 2.4%
4 Germany 18 1.8%
5 France 10 1%
6 United Kingdom 5 0.5%
7 Hong Kong 4 0.4%
8 Canada 3 0.3%
9 Taiwan 3 0.3%
10 Ukraine 1 0.1%
11 Norway 1 0.1%
12 Singapore 1 0.1%
13 Australia 1 0.1%