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 95 47.7%
2 United States 57 28.6%
3 Netherlands 18 9%
4 France 11 5.5%
5 Germany 7 3.5%
6 Hong Kong 3 1.5%
7 Canada 2 1%
8 Sweden 2 1%
9 Singapore 1 0.5%
10 India 1 0.5%
11 Kazakhstan 1 0.5%
12 Mauritius 1 0.5%