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 204 58.1%
2 United States 60 17.1%
3 Germany 35 10%
4 Canada 22 6.3%
5 Ireland 8 2.3%
6 Hong Kong 6 1.7%
7 Taiwan 5 1.4%
8 United Kingdom 2 0.6%
9 Singapore 2 0.6%
10 Netherlands 2 0.6%
11 Brazil 2 0.6%
12 France 2 0.6%
13 Romania 1 0.3%