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 159 43.2%
2 United States 112 30.4%
3 Germany 37 10.1%
4 Canada 22 6%
5 Singapore 16 4.3%
6 Hong Kong 8 2.2%
7 New Zealand 3 0.8%
8 Brazil 3 0.8%
9 Sweden 2 0.5%
10 Switzerland 2 0.5%
11 Taiwan 2 0.5%
12 United Kingdom 1 0.3%
13 Russia 1 0.3%