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 69 52.7%
2 United States 23 17.6%
3 Germany 20 15.3%
4 Hong Kong 7 5.3%
5 Taiwan 3 2.3%
6 Australia 3 2.3%
7 Norway 2 1.5%
8 Portugal 1 0.8%
9 Russia 1 0.8%
10 United Kingdom 1 0.8%
11 Netherlands 1 0.8%