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 141 54.9%
2 United States 64 24.9%
3 Hong Kong 20 7.8%
4 Taiwan 10 3.9%
5 Germany 7 2.7%
6 Ukraine 4 1.6%
7 Singapore 3 1.2%
8 Japan 2 0.8%
9 Korea, Republic of 1 0.4%
10 Netherlands 1 0.4%
11 Portugal 1 0.4%
12 Canada 1 0.4%
13 France 1 0.4%
14 United Kingdom 1 0.4%