BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 89 63.6%
2 United States 22 15.7%
3 Germany 6 4.3%
4 Japan 6 4.3%
5 Australia 3 2.1%
6 Singapore 3 2.1%
7 United Kingdom 2 1.4%
8 Austria 2 1.4%
9 Finland 2 1.4%
10 Canada 1 0.7%
11 Macao 1 0.7%
12 New Zealand 1 0.7%
13 Russia 1 0.7%
14 Hong Kong 1 0.7%