BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 51 52%
2 United Kingdom 12 12.2%
3 China 8 8.2%
4 Germany 7 7.1%
5 Russia 7 7.1%
6 France 5 5.1%
7 Norway 2 2%
8 India 2 2%
9 Japan 1 1%
10 Latvia 1 1%
11 Hong Kong 1 1%
12 Estonia 1 1%