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 United States 32 30.8%
2 China 24 23.1%
3 Germany 9 8.7%
4 Malaysia 9 8.7%
5 Japan 8 7.7%
6 Hong Kong 5 4.8%
7 Canada 4 3.8%
8 United Kingdom 4 3.8%
9 Taiwan 3 2.9%
10 Singapore 2 1.9%
11 Australia 2 1.9%
12 Brazil 1 1%
13 Russia 1 1%