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 276 55.5%
2 United States 124 24.9%
3 Canada 34 6.8%
4 Germany 33 6.6%
5 Hong Kong 10 2%
6 Singapore 9 1.8%
7 United Kingdom 2 0.4%
8 Australia 2 0.4%
9 Malaysia 2 0.4%
10 Romania 1 0.2%
11 Brazil 1 0.2%
12 Italy 1 0.2%
13 Japan 1 0.2%
14 Viet Nam 1 0.2%