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 176 58.3%
2 United States 50 16.6%
3 Germany 36 11.9%
4 Canada 11 3.6%
5 Netherlands 10 3.3%
6 Ireland 7 2.3%
7 Hong Kong 3 1%
8 India 2 0.7%
9 Singapore 2 0.7%
10 Sweden 2 0.7%
11 Australia 2 0.7%
12 Croatia 1 0.3%