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 68 51.5%
2 Netherlands 16 12.1%
3 United States 16 12.1%
4 France 10 7.6%
5 Germany 9 6.8%
6 Russia 5 3.8%
7 Czech Republic 3 2.3%
8 Canada 3 2.3%
9 Australia 1 0.8%
10 Ukraine 1 0.8%