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 201 67.4%
2 Germany 42 14.1%
3 United States 37 12.4%
4 Australia 4 1.3%
5 Canada 3 1%
6 Macao 3 1%
7 Netherlands 3 1%
8 United Kingdom 2 0.7%
9 Taiwan 1 0.3%
10 Ukraine 1 0.3%
11 Hong Kong 1 0.3%