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 26 38.2%
2 United States 13 19.1%
3 Germany 6 8.8%
4 Canada 5 7.4%
5 Taiwan 5 7.4%
6 Brazil 3 4.4%
7 France 2 2.9%
8 Netherlands 2 2.9%
9 Senegal 2 2.9%
10 Singapore 2 2.9%
11 Japan 1 1.5%
12 Australia 1 1.5%