BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 51 44.7%
2 United States 21 18.4%
3 Germany 10 8.8%
4 Netherlands 8 7%
5 France 7 6.1%
6 Canada 5 4.4%
7 Hong Kong 4 3.5%
8 Australia 2 1.8%
9 Taiwan 2 1.8%
10 United Kingdom 1 0.9%
11 Belarus 1 0.9%
12 Malaysia 1 0.9%
13 Switzerland 1 0.9%