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 Germany 47 47%
2 Netherlands 15 15%
3 China 15 15%
4 United States 10 10%
5 France 4 4%
6 Argentina 3 3%
7 United Kingdom 2 2%
8 Brazil 1 1%
9 Canada 1 1%
10 Norway 1 1%
11 Singapore 1 1%