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 59 39.9%
2 United States 44 29.7%
3 Taiwan 14 9.5%
4 Netherlands 11 7.4%
5 Germany 8 5.4%
6 Hong Kong 3 2%
7 Australia 3 2%
8 Japan 2 1.4%
9 France 1 0.7%
10 Portugal 1 0.7%
11 Russia 1 0.7%
12 Sweden 1 0.7%