BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 United States 26 31%
2 Netherlands 23 27.4%
3 Germany 13 15.5%
4 China 6 7.1%
5 France 5 6%
6 Russia 3 3.6%
7 Canada 2 2.4%
8 Czech Republic 2 2.4%
9 Viet Nam 2 2.4%
10 Singapore 1 1.2%
11 India 1 1.2%