BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 19 22.6%
2 Netherlands 19 22.6%
3 United States 17 20.2%
4 Germany 11 13.1%
5 Hong Kong 6 7.1%
6 United Kingdom 6 7.1%
7 France 3 3.6%
8 Russia 1 1.2%
9 India 1 1.2%
10 Japan 1 1.2%