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 142 60.7%
2 United States 51 21.8%
3 Germany 17 7.3%
4 Hong Kong 6 2.6%
5 Canada 4 1.7%
6 Taiwan 4 1.7%
7 Malaysia 3 1.3%
8 United Kingdom 2 0.9%
9 Ukraine 1 0.4%
10 Portugal 1 0.4%
11 Russia 1 0.4%
12 Australia 1 0.4%
13 Japan 1 0.4%