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 115 45.8%
2 United States 67 26.7%
3 Germany 15 6%
4 Taiwan 12 4.8%
5 Japan 11 4.4%
6 Netherlands 10 4%
7 Hong Kong 10 4%
8 United Kingdom 3 1.2%
9 Australia 2 0.8%
10 Canada 2 0.8%
11 Denmark 1 0.4%
12 Portugal 1 0.4%
13 Russia 1 0.4%
14 1 0.4%