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 161 41.7%
2 China 73 18.9%
3 Netherlands 62 16.1%
4 Germany 34 8.8%
5 France 20 5.2%
6 Hong Kong 10 2.6%
7 Portugal 7 1.8%
8 5 1.3%
9 Canada 3 0.8%
10 Norway 3 0.8%
11 Ukraine 3 0.8%
12 Uzbekistan 2 0.5%
13 Japan 2 0.5%
14 Ireland 1 0.3%