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 170 73.9%
2 United States 19 8.3%
3 Hong Kong 13 5.7%
4 Germany 12 5.2%
5 Portugal 4 1.7%
6 Canada 3 1.3%
7 Taiwan 2 0.9%
8 Russia 2 0.9%
9 Australia 2 0.9%
10 1 0.4%
11 Sweden 1 0.4%
12 United Kingdom 1 0.4%