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 50 37.3%
2 United States 48 35.8%
3 Canada 11 8.2%
4 Hong Kong 7 5.2%
5 Russia 4 3%
6 Germany 4 3%
7 United Kingdom 3 2.2%
8 France 3 2.2%
9 Estonia 1 0.7%
10 Ukraine 1 0.7%
11 Malaysia 1 0.7%
12 Netherlands 1 0.7%