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 55 47%
2 United States 15 12.8%
3 Taiwan 12 10.3%
4 Netherlands 9 7.7%
5 Canada 8 6.8%
6 Hong Kong 5 4.3%
7 Germany 3 2.6%
8 Korea, Republic of 3 2.6%
9 Malaysia 2 1.7%
10 Japan 2 1.7%
11 United Kingdom 2 1.7%
12 Singapore 1 0.9%