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 52 33.1%
2 United States 44 28%
3 Netherlands 28 17.8%
4 Taiwan 11 7%
5 Germany 10 6.4%
6 France 4 2.5%
7 United Kingdom 3 1.9%
8 Philippines 2 1.3%
9 Hong Kong 2 1.3%
10 Canada 1 0.6%