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
1 302 78.6%
2 United States 29 7.6%
3 China 26 6.8%
4 France 8 2.1%
5 Germany 8 2.1%
6 India 3 0.8%
7 Uzbekistan 2 0.5%
8 Brazil 1 0.3%
9 Iraq 1 0.3%
10 Russia 1 0.3%
11 Singapore 1 0.3%
12 Ukraine 1 0.3%
13 Hong Kong 1 0.3%