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 190 50.1%
2 United States 97 25.6%
3 Germany 43 11.3%
4 Canada 15 4%
5 Hong Kong 6 1.6%
6 Japan 5 1.3%
7 Singapore 5 1.3%
8 United Kingdom 4 1.1%
9 Switzerland 2 0.5%
10 Italy 2 0.5%
11 France 2 0.5%
12 Australia 2 0.5%
13 Brazil 2 0.5%
14 India 1 0.3%
15 Iraq 1 0.3%
16 Malaysia 1 0.3%
17 Netherlands 1 0.3%