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 272 39%
2 United States 223 31.9%
3 Netherlands 80 11.5%
4 Germany 51 7.3%
5 Sweden 13 1.9%
6 Canada 8 1.1%
7 Hong Kong 7 1%
8 France 5 0.7%
9 Taiwan 5 0.7%
10 Timor-Leste 4 0.6%
11 Cote D'ivoire 4 0.6%
12 Denmark 3 0.4%
13 Philippines 3 0.4%
14 Russia 3 0.4%
15 Ireland 3 0.4%
16 Korea, Republic of 3 0.4%
17 Malaysia 2 0.3%
18 Norway 2 0.3%
19 India 2 0.3%
20 Finland 1 0.1%
21 Singapore 1 0.1%
22 Italy 1 0.1%
23 United Kingdom 1 0.1%
24 Switzerland 1 0.1%