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 57 38.5%
2 United States 41 27.7%
3 Canada 13 8.8%
4 Germany 10 6.8%
5 Malaysia 9 6.1%
6 Ireland 6 4.1%
7 Italy 2 1.4%
8 Hong Kong 2 1.4%
9 India 2 1.4%
10 Australia 2 1.4%
11 Czech Republic 1 0.7%
12 Singapore 1 0.7%
13 South Africa 1 0.7%
14 United Kingdom 1 0.7%