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 145 47.1%
2 United States 72 23.4%
3 Germany 30 9.7%
4 Hong Kong 16 5.2%
5 Canada 13 4.2%
6 Taiwan 7 2.3%
7 Czech Republic 6 1.9%
8 Ireland 5 1.6%
9 Poland 2 0.6%
10 Singapore 2 0.6%
11 Bulgaria 2 0.6%
12 Indonesia 2 0.6%
13 Greece 2 0.6%
14 Australia 1 0.3%
15 Sweden 1 0.3%
16 Malaysia 1 0.3%
17 Viet Nam 1 0.3%