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 United States 24 34.3%
2 China 19 27.1%
3 Germany 6 8.6%
4 Japan 6 8.6%
5 Macao 4 5.7%
6 Netherlands 3 4.3%
7 Singapore 3 4.3%
8 Hong Kong 2 2.9%
9 Australia 1 1.4%
10 Taiwan 1 1.4%
11 United Kingdom 1 1.4%