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 43 30.3%
2 China 24 16.9%
3 Netherlands 15 10.6%
4 Taiwan 14 9.9%
5 Germany 13 9.2%
6 Moldova, Republic of 11 7.7%
7 6 4.2%
8 Hong Kong 5 3.5%
9 Italy 3 2.1%
10 United Kingdom 2 1.4%
11 Uzbekistan 2 1.4%
12 Canada 1 0.7%
13 Portugal 1 0.7%
14 Russia 1 0.7%
15 Sweden 1 0.7%