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 66 46.8%
2 United States 28 19.9%
3 Germany 20 14.2%
4 Canada 6 4.3%
5 Hong Kong 5 3.5%
6 Taiwan 3 2.1%
7 Russia 2 1.4%
8 France 2 1.4%
9 Malaysia 2 1.4%
10 Philippines 2 1.4%
11 Portugal 1 0.7%
12 Ireland 1 0.7%
13 Japan 1 0.7%
14 Sweden 1 0.7%
15 Ukraine 1 0.7%