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 United States 59 39.6%
2 China 29 19.5%
3 Netherlands 10 6.7%
4 Norway 10 6.7%
5 France 9 6%
6 Sweden 8 5.4%
7 Switzerland 5 3.4%
8 Germany 5 3.4%
9 Denmark 4 2.7%
10 Finland 3 2%
11 Ireland 2 1.3%
12 Italy 1 0.7%
13 Russia 1 0.7%
14 Cyprus 1 0.7%
15 Hong Kong 1 0.7%
16 India 1 0.7%