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 180 58.6%
2 United States 49 16%
3 Germany 36 11.7%
4 Taiwan 14 4.6%
5 Netherlands 7 2.3%
6 Hong Kong 4 1.3%
7 Russia 3 1%
8 Sweden 2 0.7%
9 Switzerland 2 0.7%
10 United Arab Emirates 2 0.7%
11 Canada 2 0.7%
12 France 2 0.7%
13 Ecuador 1 0.3%
14 Macao 1 0.3%
15 Pakistan 1 0.3%
16 Singapore 1 0.3%