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 253 84.3%
2 United States 12 4%
3 Sweden 7 2.3%
4 Hong Kong 7 2.3%
5 Taiwan 5 1.7%
6 Canada 4 1.3%
7 Senegal 3 1%
8 United Kingdom 2 0.7%
9 Germany 2 0.7%
10 Australia 1 0.3%
11 Japan 1 0.3%
12 Korea, Republic of 1 0.3%
13 Malaysia 1 0.3%
14 Russia 1 0.3%