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 248 61.1%
2 United States 92 22.7%
3 Germany 34 8.4%
4 Canada 12 3%
5 Ireland 4 1%
6 Japan 3 0.7%
7 New Zealand 3 0.7%
8 Singapore 3 0.7%
9 Sweden 2 0.5%
10 Serbia 2 0.5%
11 Macao 2 0.5%
12 Kazakhstan 1 0.2%