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 141 60%
2 United States 42 17.9%
3 Netherlands 21 8.9%
4 Germany 15 6.4%
5 Hong Kong 8 3.4%
6 Taiwan 2 0.9%
7 Norway 2 0.9%
8 Portugal 1 0.4%
9 Russia 1 0.4%
10 United Arab Emirates 1 0.4%
11 Canada 1 0.4%