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 United States 59 55.1%
2 China 22 20.6%
3 France 6 5.6%
4 Germany 4 3.7%
5 Canada 4 3.7%
6 Netherlands 4 3.7%
7 Singapore 2 1.9%
8 United Kingdom 2 1.9%
9 Switzerland 1 0.9%
10 Australia 1 0.9%
11 Hong Kong 1 0.9%
12 Malaysia 1 0.9%