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 127 63.8%
2 United States 26 13.1%
3 Germany 21 10.6%
4 Ireland 8 4%
5 Canada 4 2%
6 Korea, Republic of 2 1%
7 Luxembourg 2 1%
8 Russia 2 1%
9 Hong Kong 2 1%
10 India 2 1%
11 Finland 2 1%
12 Singapore 1 0.5%