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 179 57.2%
2 United States 39 12.5%
3 Germany 37 11.8%
4 Taiwan 26 8.3%
5 Hong Kong 12 3.8%
6 Netherlands 6 1.9%
7 Ireland 4 1.3%
8 Canada 4 1.3%
9 Russia 3 1%
10 Singapore 2 0.6%
11 Slovenia 1 0.3%