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 78 53.8%
2 United States 22 15.2%
3 Germany 15 10.3%
4 Netherlands 12 8.3%
5 Hong Kong 6 4.1%
6 Taiwan 3 2.1%
7 United Kingdom 2 1.4%
8 Canada 2 1.4%
9 Russia 2 1.4%
10 Portugal 1 0.7%
11 Ireland 1 0.7%
12 Malaysia 1 0.7%