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 18 31.6%
2 Canada 8 14%
3 Germany 8 14%
4 China 7 12.3%
5 Malaysia 3 5.3%
6 Netherlands 3 5.3%
7 Russia 3 5.3%
8 Taiwan 3 5.3%
9 Australia 2 3.5%
10 United Kingdom 1 1.8%
11 Hong Kong 1 1.8%