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 374 77.9%
2 United States 50 10.4%
3 Germany 38 7.9%
4 Australia 4 0.8%
5 United Kingdom 4 0.8%
6 Taiwan 2 0.4%
7 Canada 2 0.4%
8 Hong Kong 2 0.4%
9 Malaysia 2 0.4%
10 Netherlands 1 0.2%
11 New Zealand 1 0.2%