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 37 32.7%
2 Netherlands 20 17.7%
3 United States 15 13.3%
4 United Kingdom 14 12.4%
5 Germany 9 8%
6 Russia 7 6.2%
7 Taiwan 3 2.7%
8 Hong Kong 3 2.7%
9 France 3 2.7%
10 Estonia 1 0.9%
11 Ukraine 1 0.9%