BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 48 35.8%
2 United States 43 32.1%
3 Germany 18 13.4%
4 Hong Kong 9 6.7%
5 Canada 4 3%
6 United Kingdom 3 2.2%
7 Malaysia 3 2.2%
8 Japan 2 1.5%
9 Netherlands 1 0.7%
10 Portugal 1 0.7%
11 Singapore 1 0.7%
12 Australia 1 0.7%