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 63 35.4%
2 United States 47 26.4%
3 Germany 12 6.7%
4 Russia 8 4.5%
5 Sweden 8 4.5%
6 Netherlands 8 4.5%
7 Hong Kong 5 2.8%
8 Cote D'ivoire 4 2.2%
9 France 3 1.7%
10 Thailand 3 1.7%
11 United Kingdom 2 1.1%
12 Norway 2 1.1%
13 Switzerland 2 1.1%
14 Australia 2 1.1%
15 Finland 2 1.1%
16 Ireland 2 1.1%
17 Korea, Republic of 2 1.1%
18 Malaysia 2 1.1%
19 Taiwan 1 0.6%