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 180 60.4%
2 United States 43 14.4%
3 Germany 38 12.8%
4 Canada 17 5.7%
5 United Kingdom 4 1.3%
6 Ireland 4 1.3%
7 Netherlands 4 1.3%
8 Poland 2 0.7%
9 France 2 0.7%
10 India 2 0.7%
11 Hong Kong 1 0.3%
12 Russia 1 0.3%