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 75 49.3%
2 United States 37 24.3%
3 Germany 12 7.9%
4 Taiwan 8 5.3%
5 Hong Kong 6 3.9%
6 Japan 5 3.3%
7 Russia 2 1.3%
8 United Kingdom 2 1.3%
9 Canada 1 0.7%
10 Ukraine 1 0.7%
11 Macao 1 0.7%
12 Netherlands 1 0.7%
13 Portugal 1 0.7%