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 38 33%
2 United States 38 33%
3 United Kingdom 15 13%
4 France 6 5.2%
5 Korea, Republic of 6 5.2%
6 Russia 3 2.6%
7 Estonia 2 1.7%
8 India 2 1.7%
9 Finland 1 0.9%
10 Hong Kong 1 0.9%
11 Taiwan 1 0.9%
12 Netherlands 1 0.9%
13 Poland 1 0.9%