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 216 72%
2 United States 38 12.7%
3 Germany 15 5%
4 Hong Kong 6 2%
5 Taiwan 6 2%
6 Canada 5 1.7%
7 Singapore 4 1.3%
8 Netherlands 3 1%
9 Russia 2 0.7%
10 United Kingdom 2 0.7%
11 Ukraine 1 0.3%
12 Portugal 1 0.3%
13 Japan 1 0.3%