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 164 58.8%
2 Germany 40 14.3%
3 United States 37 13.3%
4 Netherlands 22 7.9%
5 Hong Kong 3 1.1%
6 Australia 3 1.1%
7 Canada 3 1.1%
8 France 2 0.7%
9 Turkey 2 0.7%
10 United Kingdom 2 0.7%
11 Korea, Republic of 1 0.4%