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 99 43.2%
2 United States 58 25.3%
3 Taiwan 27 11.8%
4 Germany 14 6.1%
5 Hong Kong 12 5.2%
6 Canada 10 4.4%
7 United Kingdom 3 1.3%
8 Russia 2 0.9%
9 France 2 0.9%
10 Portugal 1 0.4%
11 Singapore 1 0.4%