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 United States 42 45.7%
2 China 22 23.9%
3 Singapore 4 4.3%
4 Hong Kong 4 4.3%
5 Japan 4 4.3%
6 Canada 3 3.3%
7 Spain 3 3.3%
8 France 3 3.3%
9 Denmark 2 2.2%
10 Taiwan 2 2.2%
11 United Kingdom 1 1.1%
12 Germany 1 1.1%
13 New Zealand 1 1.1%