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 264 61.3%
2 United States 66 15.3%
3 Germany 32 7.4%
4 Canada 20 4.6%
5 United Kingdom 11 2.6%
6 Hong Kong 9 2.1%
7 Syrian Arab Republic 7 1.6%
8 New Zealand 5 1.2%
9 Singapore 4 0.9%
10 Sweden 3 0.7%
11 Taiwan 2 0.5%
12 Nigeria 2 0.5%
13 Jordan 2 0.5%
14 Macao 2 0.5%
15 Australia 1 0.2%
16 Greece 1 0.2%