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 99 55%
2 China 52 28.9%
3 Germany 7 3.9%
4 Hong Kong 7 3.9%
5 United Kingdom 4 2.2%
6 Australia 2 1.1%
7 Canada 2 1.1%
8 Japan 2 1.1%
9 Malaysia 2 1.1%
10 Portugal 1 0.6%
11 Singapore 1 0.6%
12 Taiwan 1 0.6%