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 143 47.2%
2 United States 79 26.1%
3 Germany 34 11.2%
4 Taiwan 24 7.9%
5 Canada 4 1.3%
6 Hong Kong 3 1%
7 Ireland 3 1%
8 Italy 2 0.7%
9 Malaysia 2 0.7%
10 Thailand 2 0.7%
11 Ukraine 2 0.7%
12 United Kingdom 2 0.7%
13 Viet Nam 1 0.3%
14 Russia 1 0.3%
15 Singapore 1 0.3%