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 72 35.1%
2 China 43 21%
3 Germany 42 20.5%
4 Netherlands 17 8.3%
5 Hong Kong 8 3.9%
6 Senegal 6 2.9%
7 India 5 2.4%
8 United Kingdom 4 2%
9 Canada 3 1.5%
10 Ireland 3 1.5%
11 Taiwan 1 0.5%
12 Ukraine 1 0.5%