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 58 61.1%
2 Germany 10 10.5%
3 Singapore 7 7.4%
4 Netherlands 6 6.3%
5 United States 5 5.3%
6 India 3 3.2%
7 Taiwan 2 2.1%
8 Canada 2 2.1%
9 Brazil 1 1.1%
10 France 1 1.1%