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 207 58.6%
2 United States 71 20.1%
3 Germany 35 9.9%
4 Canada 15 4.2%
5 Hong Kong 5 1.4%
6 Netherlands 5 1.4%
7 Brazil 3 0.8%
8 India 2 0.6%
9 Japan 2 0.6%
10 Singapore 2 0.6%
11 Viet Nam 2 0.6%
12 Taiwan 2 0.6%
13 Sweden 1 0.3%
14 France 1 0.3%