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 84 34.1%
2 China 70 28.5%
3 Germany 26 10.6%
4 Netherlands 13 5.3%
5 Sweden 6 2.4%
6 Taiwan 6 2.4%
7 Ireland 6 2.4%
8 Australia 6 2.4%
9 Korea, Republic of 5 2%
10 Hong Kong 4 1.6%
11 India 4 1.6%
12 Senegal 3 1.2%
13 Singapore 3 1.2%
14 Spain 2 0.8%
15 Morocco 2 0.8%
16 Norway 2 0.8%
17 Finland 2 0.8%
18 Canada 1 0.4%
19 Italy 1 0.4%