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 34 35.4%
2 Germany 21 21.9%
3 Netherlands 19 19.8%
4 China 8 8.3%
5 France 5 5.2%
6 Canada 3 3.1%
7 Australia 2 2.1%
8 Czech Republic 1 1%
9 United Kingdom 1 1%
10 Hong Kong 1 1%
11 Macao 1 1%