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 64 44.1%
2 United States 37 25.5%
3 China 20 13.8%
4 Germany 9 6.2%
5 United Kingdom 5 3.4%
6 Ukraine 2 1.4%
7 Hong Kong 2 1.4%
8 India 1 0.7%
9 Russia 1 0.7%
10 Taiwan 1 0.7%
11 France 1 0.7%
12 Australia 1 0.7%
13 Canada 1 0.7%