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 104 44.4%
2 China 99 42.3%
3 Germany 7 3%
4 Hong Kong 7 3%
5 Taiwan 7 3%
6 Ukraine 3 1.3%
7 Malaysia 2 0.9%
8 Singapore 2 0.9%
9 Portugal 1 0.4%
10 Belarus 1 0.4%
11 Canada 1 0.4%