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 239 55.1%
2 United States 102 23.5%
3 Germany 39 9%
4 Canada 13 3%
5 Malaysia 7 1.6%
6 Australia 7 1.6%
7 Hong Kong 6 1.4%
8 Ireland 5 1.2%
9 Japan 4 0.9%
10 Singapore 4 0.9%
11 Russia 2 0.5%
12 United Kingdom 2 0.5%
13 France 2 0.5%
14 Brazil 1 0.2%
15 Switzerland 1 0.2%