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 46 47.4%
2 United States 28 28.9%
3 Germany 8 8.2%
4 Hong Kong 7 7.2%
5 Taiwan 2 2.1%
6 United Kingdom 2 2.1%
7 Canada 1 1%
8 Portugal 1 1%
9 Singapore 1 1%
10 South Africa 1 1%