BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 43 30.5%
2 China 41 29.1%
3 Netherlands 23 16.3%
4 Germany 12 8.5%
5 Hong Kong 6 4.3%
6 Ireland 4 2.8%
7 Portugal 4 2.8%
8 Taiwan 3 2.1%
9 Singapore 2 1.4%
10 Australia 1 0.7%
11 Russia 1 0.7%
12 United Kingdom 1 0.7%