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 71 59.2%
2 United States 20 16.7%
3 Netherlands 8 6.7%
4 Canada 7 5.8%
5 Germany 4 3.3%
6 Hong Kong 4 3.3%
7 Singapore 2 1.7%
8 Spain 1 0.8%
9 Sweden 1 0.8%
10 United Kingdom 1 0.8%
11 Russia 1 0.8%