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 113 40.1%
2 United States 79 28%
3 Netherlands 13 4.6%
4 Korea, Republic of 11 3.9%
5 Germany 8 2.8%
6 Hong Kong 8 2.8%
7 Lithuania 7 2.5%
8 Singapore 7 2.5%
9 Taiwan 7 2.5%
10 Sweden 6 2.1%
11 France 4 1.4%
12 Japan 4 1.4%
13 Russia 3 1.1%
14 South Africa 2 0.7%
15 Cote D'ivoire 2 0.7%
16 India 2 0.7%
17 Ireland 2 0.7%
18 Finland 1 0.4%
19 Norway 1 0.4%
20 Philippines 1 0.4%
21 Togo 1 0.4%