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 53 36.1%
2 United States 51 34.7%
3 Netherlands 15 10.2%
4 Germany 10 6.8%
5 Australia 5 3.4%
6 Hong Kong 4 2.7%
7 Kazakhstan 3 2%
8 Canada 3 2%
9 United Arab Emirates 2 1.4%
10 France 1 0.7%