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 185 45.3%
2 United States 126 30.9%
3 Germany 33 8.1%
4 Netherlands 20 4.9%
5 Sweden 11 2.7%
6 Canada 8 2%
7 France 4 1%
8 Viet Nam 3 0.7%
9 United Kingdom 3 0.7%
10 Ukraine 2 0.5%
11 Philippines 2 0.5%
12 Singapore 2 0.5%
13 South Africa 2 0.5%
14 Australia 2 0.5%
15 Italy 2 0.5%
16 Japan 2 0.5%
17 India 1 0.2%