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 141 53.6%
2 United States 49 18.6%
3 Germany 28 10.6%
4 Taiwan 14 5.3%
5 Canada 10 3.8%
6 Netherlands 9 3.4%
7 France 3 1.1%
8 Hong Kong 2 0.8%
9 Ireland 2 0.8%
10 Switzerland 2 0.8%
11 United Kingdom 2 0.8%
12 Singapore 1 0.4%