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 Netherlands 24 32%
2 China 22 29.3%
3 United States 12 16%
4 Germany 11 14.7%
5 Hong Kong 2 2.7%
6 United Kingdom 2 2.7%
7 Russia 1 1.3%
8 Moldova, Republic of 1 1.3%