BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 196 57.8%
2 United States 68 20.1%
3 Germany 36 10.6%
4 Hong Kong 11 3.2%
5 Canada 11 3.2%
6 Taiwan 4 1.2%
7 Australia 3 0.9%
8 Russia 2 0.6%
9 Macao 2 0.6%
10 United Kingdom 2 0.6%
11 Sweden 2 0.6%
12 Mauritius 1 0.3%
13 Singapore 1 0.3%