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 230 54.8%
2 United States 121 28.8%
3 Germany 37 8.8%
4 Hong Kong 9 2.1%
5 Canada 5 1.2%
6 Malaysia 4 1%
7 Japan 3 0.7%
8 Mexico 2 0.5%
9 Australia 2 0.5%
10 Taiwan 2 0.5%
11 United Kingdom 1 0.2%
12 Brazil 1 0.2%
13 Netherlands 1 0.2%
14 Philippines 1 0.2%
15 Singapore 1 0.2%