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 65 52.4%
2 United States 16 12.9%
3 Netherlands 13 10.5%
4 Sweden 7 5.6%
5 Germany 5 4%
6 Singapore 4 3.2%
7 Senegal 3 2.4%
8 Japan 2 1.6%
9 Malaysia 2 1.6%
10 Brazil 2 1.6%
11 Canada 1 0.8%
12 France 1 0.8%
13 Russia 1 0.8%
14 Australia 1 0.8%
15 United Kingdom 1 0.8%