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 161 46.5%
2 United States 78 22.5%
3 Germany 30 8.7%
4 Canada 25 7.2%
5 Hong Kong 12 3.5%
6 Singapore 12 3.5%
7 Spain 6 1.7%
8 United Kingdom 6 1.7%
9 Colombia 4 1.2%
10 Netherlands 4 1.2%
11 Russia 2 0.6%
12 Sweden 2 0.6%
13 Taiwan 2 0.6%
14 France 2 0.6%