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 47 44.3%
2 United States 29 27.4%
3 Germany 7 6.6%
4 Australia 5 4.7%
5 Canada 4 3.8%
6 Netherlands 4 3.8%
7 Hong Kong 2 1.9%
8 Japan 2 1.9%
9 Malaysia 1 0.9%
10 Nigeria 1 0.9%
11 Russia 1 0.9%
12 Singapore 1 0.9%
13 Taiwan 1 0.9%
14 Brazil 1 0.9%