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 43 35%
2 United States 30 24.4%
3 Canada 12 9.8%
4 Australia 8 6.5%
5 Germany 6 4.9%
6 Singapore 5 4.1%
7 Hong Kong 4 3.3%
8 Iran, Islamic Republic of 3 2.4%
9 Ireland 3 2.4%
10 Japan 2 1.6%
11 Malaysia 2 1.6%
12 Panama 1 0.8%
13 Philippines 1 0.8%
14 Russia 1 0.8%
15 Italy 1 0.8%
16 United Kingdom 1 0.8%