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 29 27.4%
2 Netherlands 28 26.4%
3 United States 24 22.6%
4 Germany 8 7.5%
5 Hong Kong 5 4.7%
6 France 3 2.8%
7 Norway 3 2.8%
8 Russia 3 2.8%
9 Ukraine 1 0.9%
10 United Kingdom 1 0.9%
11 Canada 1 0.9%