BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 99 47.6%
2 China 63 30.3%
3 Germany 14 6.7%
4 Hong Kong 6 2.9%
5 Canada 6 2.9%
6 Australia 5 2.4%
7 Czech Republic 4 1.9%
8 Malaysia 3 1.4%
9 United Kingdom 3 1.4%
10 Taiwan 2 1%
11 New Zealand 1 0.5%
12 Portugal 1 0.5%
13 1 0.5%