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 146 52.3%
2 United States 75 26.9%
3 Germany 37 13.3%
4 Canada 5 1.8%
5 Greece 4 1.4%
6 Hong Kong 3 1.1%
7 Ireland 3 1.1%
8 Latvia 2 0.7%
9 New Zealand 2 0.7%
10 Russia 1 0.4%
11 Finland 1 0.4%