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 166 57.4%
2 United States 47 16.3%
3 Germany 34 11.8%
4 Canada 9 3.1%
5 Hong Kong 7 2.4%
6 Taiwan 7 2.4%
7 New Zealand 4 1.4%
8 Russia 3 1%
9 Singapore 2 0.7%
10 Ireland 2 0.7%
11 Macao 2 0.7%
12 Czech Republic 2 0.7%
13 France 2 0.7%
14 Israel 1 0.3%
15 Sweden 1 0.3%