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 185 42.2%
2 United States 172 39.3%
3 Germany 30 6.8%
4 Canada 16 3.7%
5 Taiwan 7 1.6%
6 Singapore 5 1.1%
7 Hong Kong 4 0.9%
8 Ireland 4 0.9%
9 Macao 4 0.9%
10 Malaysia 2 0.5%
11 Netherlands 2 0.5%
12 Azerbaijan 2 0.5%
13 Sweden 2 0.5%
14 Australia 1 0.2%
15 Denmark 1 0.2%
16 France 1 0.2%