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 70 33.2%
2 United States 50 23.7%
3 Sweden 19 9%
4 Hong Kong 14 6.6%
5 Netherlands 13 6.2%
6 Germany 8 3.8%
7 Cote D'ivoire 7 3.3%
8 Taiwan 7 3.3%
9 United Kingdom 4 1.9%
10 India 4 1.9%
11 Japan 3 1.4%
12 Norway 3 1.4%
13 Romania 2 0.9%
14 Korea, Republic of 2 0.9%
15 Malaysia 2 0.9%
16 Australia 2 0.9%
17 Spain 1 0.5%