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 76 57.1%
2 United States 27 20.3%
3 Germany 8 6%
4 Taiwan 7 5.3%
5 United Kingdom 4 3%
6 Hong Kong 4 3%
7 Singapore 3 2.3%
8 Sweden 1 0.8%
9 Malaysia 1 0.8%
10 Portugal 1 0.8%
11 Australia 1 0.8%