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 125 43.3%
2 United States 74 25.6%
3 Sweden 13 4.5%
4 Netherlands 13 4.5%
5 Germany 11 3.8%
6 Ireland 9 3.1%
7 Taiwan 8 2.8%
8 Russia 7 2.4%
9 Canada 7 2.4%
10 France 5 1.7%
11 Norway 5 1.7%
12 Finland 4 1.4%
13 Macao 2 0.7%
14 Philippines 2 0.7%
15 Switzerland 2 0.7%
16 Hong Kong 1 0.3%
17 Belgium 1 0.3%