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 36 29.8%
2 United States 33 27.3%
3 Germany 27 22.3%
4 Hong Kong 6 5%
5 Canada 6 5%
6 Taiwan 4 3.3%
7 United Kingdom 2 1.7%
8 2 1.7%
9 Macao 2 1.7%
10 Portugal 1 0.8%
11 Russia 1 0.8%
12 Bolivia, Plurinational State of 1 0.8%