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
1 340 85.4%
2 United States 23 5.8%
3 China 10 2.5%
4 Australia 5 1.3%
5 Singapore 4 1%
6 Japan 3 0.8%
7 Italy 2 0.5%
8 Russia 2 0.5%
9 Spain 2 0.5%
10 United Kingdom 2 0.5%
11 Taiwan 1 0.3%
12 New Zealand 1 0.3%
13 Canada 1 0.3%
14 Germany 1 0.3%
15 Hong Kong 1 0.3%