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 United States 69 50%
2 China 40 29%
3 Canada 9 6.5%
4 Hong Kong 8 5.8%
5 Germany 3 2.2%
6 Singapore 2 1.4%
7 Hungary 1 0.7%
8 Italy 1 0.7%
9 Japan 1 0.7%
10 New Zealand 1 0.7%
11 France 1 0.7%
12 Australia 1 0.7%
13 Austria 1 0.7%