BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 139 56%
2 United States 81 32.7%
3 Germany 7 2.8%
4 Taiwan 5 2%
5 United Kingdom 4 1.6%
6 United Arab Emirates 3 1.2%
7 Hong Kong 3 1.2%
8 Canada 2 0.8%
9 Portugal 1 0.4%
10 Russia 1 0.4%
11 Sweden 1 0.4%
12 Switzerland 1 0.4%