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 34 28.3%
2 Netherlands 18 15%
3 United States 18 15%
4 United Kingdom 11 9.2%
5 Hong Kong 11 9.2%
6 Russia 5 4.2%
7 5 4.2%
8 Estonia 4 3.3%
9 France 4 3.3%
10 Japan 3 2.5%
11 Taiwan 3 2.5%
12 Ukraine 2 1.7%
13 Singapore 1 0.8%
14 Moldova, Republic of 1 0.8%