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 China 35 32.1%
2 United States 22 20.2%
3 France 19 17.4%
4 Netherlands 14 12.8%
5 Germany 7 6.4%
6 Russia 6 5.5%
7 Australia 2 1.8%
8 Estonia 2 1.8%
9 Czech Republic 1 0.9%
10 Kenya 1 0.9%