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 446 73%
2 United States 86 14.1%
3 Germany 39 6.4%
4 Hong Kong 15 2.5%
5 Taiwan 9 1.5%
6 Australia 2 0.3%
7 Brazil 2 0.3%
8 Canada 2 0.3%
9 Singapore 2 0.3%
10 Japan 2 0.3%
11 Kenya 1 0.2%
12 Malaysia 1 0.2%
13 New Zealand 1 0.2%
14 Russia 1 0.2%
15 Viet Nam 1 0.2%
16 United Kingdom 1 0.2%