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
1 653 82.1%
2 United States 75 9.4%
3 China 32 4%
4 Germany 13 1.6%
5 France 6 0.8%
6 United Kingdom 4 0.5%
7 Norway 3 0.4%
8 Japan 2 0.3%
9 United Arab Emirates 2 0.3%
10 Russia 1 0.1%
11 Taiwan 1 0.1%
12 Hong Kong 1 0.1%
13 India 1 0.1%
14 Denmark 1 0.1%