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 China 72 50%
2 United States 27 18.8%
3 Germany 25 17.4%
4 Hong Kong 8 5.6%
5 Taiwan 3 2.1%
6 Canada 2 1.4%
7 Malaysia 2 1.4%
8 Ireland 2 1.4%
9 Korea, Republic of 1 0.7%
10 Netherlands 1 0.7%
11 Portugal 1 0.7%