BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 7 29.2%
2 Canada 6 25%
3 United States 2 8.3%
4 Sweden 2 8.3%
5 Germany 2 8.3%
6 Japan 1 4.2%
7 Korea, Republic of 1 4.2%
8 New Zealand 1 4.2%
9 Portugal 1 4.2%
10 United Kingdom 1 4.2%