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 59 37.8%
2 United States 45 28.8%
3 Netherlands 18 11.5%
4 Germany 17 10.9%
5 France 6 3.8%
6 Canada 2 1.3%
7 Hong Kong 2 1.3%
8 Italy 2 1.3%
9 Japan 2 1.3%
10 Malaysia 1 0.6%
11 Australia 1 0.6%
12 United Kingdom 1 0.6%