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 51 39.8%
2 China 42 32.8%
3 Netherlands 14 10.9%
4 Germany 7 5.5%
5 Hong Kong 6 4.7%
6 Taiwan 3 2.3%
7 United Kingdom 1 0.8%
8 Ireland 1 0.8%
9 Portugal 1 0.8%
10 Russia 1 0.8%
11 Sweden 1 0.8%