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 106 60.2%
2 United States 26 14.8%
3 Hong Kong 9 5.1%
4 Germany 8 4.5%
5 United Kingdom 6 3.4%
6 Netherlands 5 2.8%
7 Japan 3 1.7%
8 Taiwan 3 1.7%
9 Ukraine 3 1.7%
10 Malaysia 2 1.1%
11 Norway 1 0.6%
12 Portugal 1 0.6%
13 Russia 1 0.6%
14 Sweden 1 0.6%
15 Ireland 1 0.6%