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 26 31%
2 Netherlands 17 20.2%
3 United States 14 16.7%
4 Germany 10 11.9%
5 Hong Kong 5 6%
6 Canada 5 6%
7 United Kingdom 3 3.6%
8 Japan 2 2.4%
9 France 1 1.2%
10 New Zealand 1 1.2%