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 295 73.9%
2 United States 43 10.8%
3 Germany 27 6.8%
4 Hong Kong 4 1%
5 Japan 4 1%
6 United Kingdom 4 1%
7 Malaysia 4 1%
8 Russia 3 0.8%
9 Taiwan 3 0.8%
10 Korea, Republic of 3 0.8%
11 2 0.5%
12 Australia 2 0.5%
13 Sweden 2 0.5%
14 Switzerland 2 0.5%
15 France 1 0.3%