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 82 58.6%
2 United States 27 19.3%
3 Germany 15 10.7%
4 Hong Kong 5 3.6%
5 Latvia 2 1.4%
6 Nigeria 2 1.4%
7 Turkey 2 1.4%
8 Canada 2 1.4%
9 Ukraine 1 0.7%
10 France 1 0.7%
11 Portugal 1 0.7%