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 153 46.1%
2 United States 103 31%
3 Germany 36 10.8%
4 Canada 20 6%
5 Russia 7 2.1%
6 2 0.6%
7 India 2 0.6%
8 Malaysia 2 0.6%
9 Sweden 2 0.6%
10 Taiwan 1 0.3%
11 United Kingdom 1 0.3%
12 Netherlands 1 0.3%
13 Poland 1 0.3%
14 Singapore 1 0.3%