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 52 45.6%
2 United States 30 26.3%
3 Switzerland 10 8.8%
4 Hong Kong 4 3.5%
5 Japan 3 2.6%
6 Belgium 3 2.6%
7 Georgia 2 1.8%
8 Germany 2 1.8%
9 Australia 2 1.8%
10 Taiwan 1 0.9%
11 Canada 1 0.9%
12 Macao 1 0.9%
13 Netherlands 1 0.9%
14 Norway 1 0.9%
15 Singapore 1 0.9%