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 64 45.7%
2 United States 41 29.3%
3 Germany 8 5.7%
4 Hong Kong 7 5%
5 Portugal 4 2.9%
6 2 1.4%
7 Australia 2 1.4%
8 Singapore 2 1.4%
9 Taiwan 2 1.4%
10 Ukraine 2 1.4%
11 United Kingdom 1 0.7%
12 Viet Nam 1 0.7%
13 France 1 0.7%
14 Brazil 1 0.7%
15 Canada 1 0.7%
16 Russia 1 0.7%