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 123 56.9%
2 Netherlands 33 15.3%
3 Germany 23 10.6%
4 United States 16 7.4%
5 Hong Kong 6 2.8%
6 Japan 4 1.9%
7 Taiwan 3 1.4%
8 Canada 2 0.9%
9 United Kingdom 2 0.9%
10 Ukraine 1 0.5%
11 Portugal 1 0.5%
12 Russia 1 0.5%
13 Sweden 1 0.5%