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 37 28.2%
2 Netherlands 33 25.2%
3 China 19 14.5%
4 Germany 14 10.7%
5 France 9 6.9%
6 Czech Republic 7 5.3%
7 Hong Kong 4 3.1%
8 United Kingdom 4 3.1%
9 Singapore 2 1.5%
10 Russia 1 0.8%
11 Canada 1 0.8%