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 51 46.8%
2 United States 20 18.3%
3 Netherlands 14 12.8%
4 Germany 10 9.2%
5 Singapore 3 2.8%
6 Canada 3 2.8%
7 United Kingdom 2 1.8%
8 Ireland 2 1.8%
9 Malaysia 2 1.8%
10 Hong Kong 1 0.9%
11 France 1 0.9%