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 166 42.8%
2 United States 120 30.9%
3 Germany 43 11.1%
4 France 31 8%
5 Taiwan 12 3.1%
6 Canada 4 1%
7 Netherlands 3 0.8%
8 United Kingdom 3 0.8%
9 Viet Nam 2 0.5%
10 Turkey 2 0.5%
11 Hong Kong 1 0.3%
12 Australia 1 0.3%