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 139 79.4%
2 United States 18 10.3%
3 Hong Kong 4 2.3%
4 Taiwan 3 1.7%
5 Germany 2 1.1%
6 Japan 2 1.1%
7 Korea, Republic of 1 0.6%
8 Netherlands 1 0.6%
9 Portugal 1 0.6%
10 Russia 1 0.6%
11 Singapore 1 0.6%
12 United Kingdom 1 0.6%
13 Canada 1 0.6%