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 33 30%
2 United States 24 21.8%
3 Netherlands 23 20.9%
4 Germany 8 7.3%
5 Hong Kong 7 6.4%
6 Norway 3 2.7%
7 United Kingdom 3 2.7%
8 Taiwan 2 1.8%
9 Australia 2 1.8%
10 Japan 2 1.8%
11 Singapore 1 0.9%
12 Italy 1 0.9%
13 France 1 0.9%