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 31 43.7%
2 United States 15 21.1%
3 Germany 7 9.9%
4 Hong Kong 6 8.5%
5 Taiwan 3 4.2%
6 Hungary 2 2.8%
7 Portugal 1 1.4%
8 Russia 1 1.4%
9 Sweden 1 1.4%
10 United Kingdom 1 1.4%
11 Estonia 1 1.4%
12 France 1 1.4%
13 Armenia 1 1.4%