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 China 33 29.5%
2 Netherlands 26 23.2%
3 Germany 14 12.5%
4 United States 10 8.9%
5 Hong Kong 9 8%
6 France 7 6.2%
7 Taiwan 6 5.4%
8 United Kingdom 4 3.6%
9 Russia 2 1.8%
10 Estonia 1 0.9%