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 179 46.4%
2 United States 115 29.8%
3 Netherlands 26 6.7%
4 Hong Kong 23 6%
5 Germany 20 5.2%
6 Japan 7 1.8%
7 United Kingdom 4 1%
8 Singapore 3 0.8%
9 Australia 3 0.8%
10 Canada 3 0.8%
11 Portugal 1 0.3%
12 Sweden 1 0.3%
13 Viet Nam 1 0.3%