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
1 437 80.8%
2 United States 43 7.9%
3 China 20 3.7%
4 Germany 10 1.8%
5 France 8 1.5%
6 Canada 8 1.5%
7 Russia 4 0.7%
8 United Kingdom 3 0.6%
9 Ukraine 2 0.4%
10 Ireland 2 0.4%
11 Mexico 2 0.4%
12 Poland 1 0.2%
13 Indonesia 1 0.2%