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 Germany 42 33.9%
2 United States 33 26.6%
3 Netherlands 16 12.9%
4 Canada 14 11.3%
5 China 13 10.5%
6 France 3 2.4%
7 Hong Kong 1 0.8%
8 Russia 1 0.8%
9 United Kingdom 1 0.8%