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 98 42.2%
2 United States 77 33.2%
3 Netherlands 17 7.3%
4 Germany 10 4.3%
5 Hong Kong 8 3.4%
6 Taiwan 7 3%
7 United Kingdom 5 2.2%
8 Canada 3 1.3%
9 Australia 1 0.4%
10 Thailand 1 0.4%
11 Japan 1 0.4%
12 Malaysia 1 0.4%
13 Portugal 1 0.4%
14 Russia 1 0.4%
15 Sweden 1 0.4%