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 United States 65 43.9%
2 China 52 35.1%
3 Sweden 11 7.4%
4 Germany 7 4.7%
5 Canada 4 2.7%
6 Russia 2 1.4%
7 Ireland 2 1.4%
8 Netherlands 2 1.4%
9 New Zealand 1 0.7%
10 Hong Kong 1 0.7%
11 France 1 0.7%