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 231 60.8%
2 United States 80 21.1%
3 Germany 36 9.5%
4 Taiwan 8 2.1%
5 Italy 6 1.6%
6 Canada 3 0.8%
7 Australia 2 0.5%
8 Japan 2 0.5%
9 Georgia 2 0.5%
10 Singapore 2 0.5%
11 United Arab Emirates 2 0.5%
12 United Kingdom 1 0.3%
13 Ukraine 1 0.3%
14 Macao 1 0.3%
15 New Zealand 1 0.3%
16 Norway 1 0.3%
17 Denmark 1 0.3%