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 United States 14 38.9%
2 China 7 19.4%
3 Canada 4 11.1%
4 Taiwan 4 11.1%
5 Germany 2 5.6%
6 Hong Kong 1 2.8%
7 Macao 1 2.8%
8 Russia 1 2.8%
9 Singapore 1 2.8%
10 United Kingdom 1 2.8%