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 159 37.3%
2 China 136 31.9%
3 Germany 41 9.6%
4 Netherlands 30 7%
5 France 23 5.4%
6 Hong Kong 16 3.8%
7 Portugal 7 1.6%
8 Taiwan 4 0.9%
9 4 0.9%
10 Brazil 3 0.7%
11 Canada 1 0.2%
12 Bolivia, Plurinational State of 1 0.2%
13 Finland 1 0.2%