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 174 50.7%
2 United States 67 19.5%
3 Germany 35 10.2%
4 Canada 16 4.7%
5 Taiwan 16 4.7%
6 France 9 2.6%
7 Hong Kong 5 1.5%
8 Singapore 4 1.2%
9 New Zealand 3 0.9%
10 Greece 3 0.9%
11 Australia 3 0.9%
12 Sweden 2 0.6%
13 United Kingdom 2 0.6%
14 Russia 1 0.3%
15 Austria 1 0.3%
16 Macao 1 0.3%
17 Netherlands 1 0.3%