BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 85 47.2%
2 Netherlands 26 14.4%
3 United States 25 13.9%
4 France 13 7.2%
5 Germany 8 4.4%
6 Japan 5 2.8%
7 Russia 4 2.2%
8 Sweden 3 1.7%
9 Hong Kong 2 1.1%
10 Finland 2 1.1%
11 Australia 2 1.1%
12 Canada 2 1.1%
13 Norway 1 0.6%
14 United Kingdom 1 0.6%
15 Singapore 1 0.6%