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 47 37.9%
2 United States 25 20.2%
3 Netherlands 10 8.1%
4 Hong Kong 9 7.3%
5 Taiwan 7 5.6%
6 Korea, Republic of 6 4.8%
7 Canada 6 4.8%
8 Germany 6 4.8%
9 Japan 2 1.6%
10 Sweden 2 1.6%
11 Russia 1 0.8%
12 Singapore 1 0.8%
13 Malaysia 1 0.8%
14 France 1 0.8%