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 233 63.1%
2 United States 49 13.3%
3 Germany 37 10%
4 Canada 25 6.8%
5 Hong Kong 6 1.6%
6 United Kingdom 4 1.1%
7 Russia 3 0.8%
8 India 3 0.8%
9 Ireland 3 0.8%
10 Japan 2 0.5%
11 Sweden 2 0.5%
12 Australia 1 0.3%
13 France 1 0.3%