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 55 62.5%
2 Canada 9 10.2%
3 China 7 8%
4 United Kingdom 4 4.5%
5 Russia 3 3.4%
6 Germany 3 3.4%
7 Taiwan 2 2.3%
8 Ukraine 1 1.1%
9 France 1 1.1%
10 Japan 1 1.1%
11 Netherlands 1 1.1%
12 Poland 1 1.1%