BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 149 49%
2 China 96 31.6%
3 Hong Kong 31 10.2%
4 Germany 7 2.3%
5 Malaysia 6 2%
6 Canada 6 2%
7 Taiwan 4 1.3%
8 Netherlands 1 0.3%
9 Portugal 1 0.3%
10 Switzerland 1 0.3%
11 Japan 1 0.3%
12 Korea, Republic of 1 0.3%