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 37 42.5%
2 Netherlands 12 13.8%
3 China 12 13.8%
4 Germany 7 8%
5 United Kingdom 4 4.6%
6 France 3 3.4%
7 India 3 3.4%
8 Hong Kong 2 2.3%
9 Estonia 2 2.3%
10 Russia 2 2.3%
11 Brazil 1 1.1%
12 Canada 1 1.1%
13 Japan 1 1.1%