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 38 33.6%
2 United States 22 19.5%
3 Hong Kong 12 10.6%
4 Japan 12 10.6%
5 Germany 11 9.7%
6 Korea, Republic of 5 4.4%
7 Taiwan 5 4.4%
8 Italy 3 2.7%
9 Netherlands 2 1.8%
10 Portugal 1 0.9%
11 Russia 1 0.9%
12 Indonesia 1 0.9%