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 173 56.7%
2 United States 45 14.8%
3 Germany 32 10.5%
4 Netherlands 25 8.2%
5 Canada 10 3.3%
6 Hungary 5 1.6%
7 Japan 4 1.3%
8 Portugal 2 0.7%
9 Singapore 2 0.7%
10 Sweden 2 0.7%
11 Turkey 2 0.7%
12 Hong Kong 1 0.3%
13 Finland 1 0.3%
14 Malaysia 1 0.3%