BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 United States 124 54.1%
2 China 85 37.1%
3 Germany 6 2.6%
4 Singapore 3 1.3%
5 Canada 3 1.3%
6 Netherlands 2 0.9%
7 Hong Kong 2 0.9%
8 Japan 1 0.4%
9 France 1 0.4%
10 Russia 1 0.4%
11 Sweden 1 0.4%