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 44 31.7%
2 United Kingdom 28 20.1%
3 China 25 18%
4 Russia 14 10.1%
5 Germany 12 8.6%
6 Estonia 4 2.9%
7 France 3 2.2%
8 Taiwan 3 2.2%
9 Ukraine 2 1.4%
10 Hong Kong 1 0.7%
11 India 1 0.7%
12 Netherlands 1 0.7%
13 Chile 1 0.7%