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 69 35.6%
2 United States 50 25.8%
3 Germany 25 12.9%
4 Korea, Republic of 8 4.1%
5 Netherlands 6 3.1%
6 Taiwan 6 3.1%
7 Australia 6 3.1%
8 Ireland 5 2.6%
9 Sweden 5 2.6%
10 Senegal 4 2.1%
11 India 3 1.5%
12 Indonesia 2 1%
13 Singapore 2 1%
14 United Kingdom 1 0.5%
15 Norway 1 0.5%
16 Russia 1 0.5%