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 30 53.6%
2 United States 8 14.3%
3 Senegal 3 5.4%
4 Germany 3 5.4%
5 Canada 2 3.6%
6 New Zealand 2 3.6%
7 Singapore 2 3.6%
8 United Kingdom 2 3.6%
9 France 1 1.8%
10 Hong Kong 1 1.8%
11 Korea, Republic of 1 1.8%
12 Malaysia 1 1.8%