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 57 43.8%
2 Netherlands 23 17.7%
3 United States 20 15.4%
4 France 9 6.9%
5 Germany 7 5.4%
6 Taiwan 5 3.8%
7 Singapore 2 1.5%
8 Sweden 2 1.5%
9 Hong Kong 1 0.8%
10 Japan 1 0.8%
11 Russia 1 0.8%
12 Australia 1 0.8%
13 Canada 1 0.8%