BPG致力于知识的发现和传播
Total Visits of This Article
2019 | 总访问次数
排名 国家/地区 数量 占比
1 200 74.9%
2 China 43 16.1%
3 United States 12 4.5%
4 United Kingdom 3 1.1%
5 Canada 3 1.1%
6 Hong Kong 2 0.7%
7 Spain 1 0.4%
8 Ukraine 1 0.4%
9 Czech Republic 1 0.4%
10 Germany 1 0.4%