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 United States 172 38.6%
2 China 124 27.8%
3 Germany 46 10.3%
4 Netherlands 38 8.5%
5 France 20 4.5%
6 Hong Kong 13 2.9%
7 Portugal 7 1.6%
8 4 0.9%
9 United Kingdom 4 0.9%
10 Canada 3 0.7%
11 India 3 0.7%
12 Ukraine 2 0.4%
13 Uzbekistan 2 0.4%
14 Russia 2 0.4%
15 Hungary 2 0.4%
16 Denmark 2 0.4%
17 Australia 1 0.2%
18 Sweden 1 0.2%