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 163 57.4%
2 United States 46 16.2%
3 Germany 45 15.8%
4 Netherlands 9 3.2%
5 Ireland 5 1.8%
6 Russia 4 1.4%
7 Singapore 3 1.1%
8 Canada 3 1.1%
9 Sweden 2 0.7%
10 Ukraine 1 0.4%
11 1 0.4%
12 France 1 0.4%
13 Hong Kong 1 0.4%