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 29 27.1%
2 China 21 19.6%
3 Singapore 12 11.2%
4 Malaysia 11 10.3%
5 Germany 6 5.6%
6 Japan 6 5.6%
7 Canada 6 5.6%
8 United Kingdom 3 2.8%
9 Switzerland 3 2.8%
10 Italy 3 2.8%
11 Netherlands 2 1.9%
12 Spain 1 0.9%
13 Korea, Republic of 1 0.9%
14 Thailand 1 0.9%
15 Ukraine 1 0.9%
16 Viet Nam 1 0.9%