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 230 54.8%
2 United States 118 28.1%
3 Germany 36 8.6%
4 Hong Kong 13 3.1%
5 Japan 5 1.2%
6 Netherlands 4 1%
7 Singapore 4 1%
8 United Kingdom 4 1%
9 Australia 2 0.5%
10 Canada 2 0.5%
11 Russia 2 0.5%