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 160 80.4%
2 United States 19 9.5%
3 Hong Kong 6 3%
4 United Kingdom 5 2.5%
5 Netherlands 3 1.5%
6 Portugal 1 0.5%
7 South Africa 1 0.5%
8 Taiwan 1 0.5%
9 Korea, Republic of 1 0.5%
10 Estonia 1 0.5%
11 Germany 1 0.5%