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 80 44.9%
2 United States 42 23.6%
3 Germany 19 10.7%
4 Nigeria 9 5.1%
5 Hong Kong 6 3.4%
6 Canada 6 3.4%
7 Taiwan 4 2.2%
8 3 1.7%
9 Australia 3 1.7%
10 Portugal 1 0.6%
11 Russia 1 0.6%
12 Korea, Republic of 1 0.6%
13 Netherlands 1 0.6%
14 United Arab Emirates 1 0.6%
15 United Kingdom 1 0.6%