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 China 22 29.7%
2 United States 16 21.6%
3 Germany 11 14.9%
4 Netherlands 11 14.9%
5 United Kingdom 4 5.4%
6 Norway 3 4.1%
7 Hong Kong 3 4.1%
8 Japan 1 1.4%
9 France 1 1.4%
10 Taiwan 1 1.4%
11 Australia 1 1.4%