BPG致力于知识的发现和传播
Total Visits of This Article
2019 | 总访问次数
排名 国家/地区 数量 占比
1 909 86.4%
2 China 106 10.1%
3 United States 13 1.2%
4 Hong Kong 6 0.6%
5 United Kingdom 4 0.4%
6 Turkey 3 0.3%
7 Korea, Republic of 3 0.3%
8 Switzerland 2 0.2%
9 Taiwan 2 0.2%
10 Germany 1 0.1%
11 Russia 1 0.1%
12 Singapore 1 0.1%
13 Sweden 1 0.1%