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 Netherlands 27 30.7%
2 China 17 19.3%
3 United States 14 15.9%
4 United Kingdom 9 10.2%
5 Russia 7 8%
6 France 5 5.7%
7 3 3.4%
8 Hong Kong 2 2.3%
9 Poland 1 1.1%
10 Brazil 1 1.1%
11 Estonia 1 1.1%
12 Finland 1 1.1%