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 108 37.2%
2 United States 100 34.5%
3 Netherlands 15 5.2%
4 Sweden 9 3.1%
5 Germany 9 3.1%
6 Hong Kong 9 3.1%
7 Canada 8 2.8%
8 France 6 2.1%
9 Finland 5 1.7%
10 Japan 4 1.4%
11 Switzerland 4 1.4%
12 Norway 3 1%
13 Philippines 3 1%
14 Romania 2 0.7%
15 Russia 2 0.7%
16 Italy 2 0.7%
17 Australia 1 0.3%