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 182 42.4%
2 United States 145 33.8%
3 Germany 34 7.9%
4 Netherlands 26 6.1%
5 Canada 15 3.5%
6 Hong Kong 6 1.4%
7 Japan 5 1.2%
8 Malaysia 4 0.9%
9 Russia 3 0.7%
10 Singapore 2 0.5%
11 Taiwan 2 0.5%
12 Australia 2 0.5%
13 Denmark 1 0.2%
14 Finland 1 0.2%
15 Luxembourg 1 0.2%