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
1 500 75.3%
2 United States 69 10.4%
3 China 50 7.5%
4 Germany 13 2%
5 France 11 1.7%
6 United Kingdom 6 0.9%
7 Hong Kong 4 0.6%
8 Canada 3 0.5%
9 Italy 2 0.3%
10 Norway 2 0.3%
11 Singapore 1 0.2%
12 Ukraine 1 0.2%
13 Costa Rica 1 0.2%
14 Cambodia 1 0.2%