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 142 43.4%
2 United States 79 24.2%
3 Germany 35 10.7%
4 Netherlands 29 8.9%
5 Canada 12 3.7%
6 Malaysia 8 2.4%
7 Hungary 4 1.2%
8 3 0.9%
9 Russia 3 0.9%
10 Saudi Arabia 2 0.6%
11 Singapore 2 0.6%
12 Switzerland 2 0.6%
13 Hong Kong 2 0.6%
14 Ireland 2 0.6%
15 Mexico 1 0.3%
16 Sweden 1 0.3%