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 267 58.4%
2 United States 110 24.1%
3 Germany 35 7.7%
4 Canada 14 3.1%
5 Ireland 8 1.8%
6 India 4 0.9%
7 Romania 2 0.4%
8 Singapore 2 0.4%
9 Sweden 2 0.4%
10 Taiwan 2 0.4%
11 United Kingdom 2 0.4%
12 Hungary 2 0.4%
13 Australia 2 0.4%
14 Brazil 2 0.4%
15 Hong Kong 1 0.2%
16 Korea, Republic of 1 0.2%
17 Netherlands 1 0.2%