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 137 54.2%
2 United States 44 17.4%
3 Germany 30 11.9%
4 Canada 16 6.3%
5 Ireland 5 2%
6 Italy 4 1.6%
7 Hong Kong 4 1.6%
8 Singapore 3 1.2%
9 Thailand 2 0.8%
10 United Kingdom 2 0.8%
11 Australia 2 0.8%
12 Japan 2 0.8%
13 Netherlands 1 0.4%
14 Romania 1 0.4%