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 39 33.6%
2 United States 28 24.1%
3 China 20 17.2%
4 Germany 13 11.2%
5 France 9 7.8%
6 Hong Kong 3 2.6%
7 Czech Republic 3 2.6%
8 United Kingdom 1 0.9%