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 37 38.5%
2 United States 18 18.8%
3 Netherlands 12 12.5%
4 Germany 8 8.3%
5 Hong Kong 4 4.2%
6 France 4 4.2%
7 Ukraine 4 4.2%
8 United Kingdom 2 2.1%
9 Russia 2 2.1%
10 Canada 2 2.1%
11 Japan 2 2.1%
12 Ireland 1 1%