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 41 42.7%
2 Netherlands 21 21.9%
3 United States 13 13.5%
4 Germany 10 10.4%
5 Hong Kong 3 3.1%
6 United Kingdom 3 3.1%
7 France 2 2.1%
8 Singapore 1 1%
9 India 1 1%
10 Malaysia 1 1%