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 194 59.3%
2 United States 54 16.5%
3 Germany 38 11.6%
4 Canada 23 7%
5 Hong Kong 4 1.2%
6 Singapore 4 1.2%
7 Taiwan 4 1.2%
8 United Arab Emirates 1 0.3%
9 France 1 0.3%
10 Ireland 1 0.3%
11 Netherlands 1 0.3%
12 Russia 1 0.3%
13 Viet Nam 1 0.3%