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 United States 106 35.7%
2 China 71 23.9%
3 Germany 39 13.1%
4 Netherlands 18 6.1%
5 Hong Kong 16 5.4%
6 Canada 11 3.7%
7 Australia 8 2.7%
8 Japan 6 2%
9 Malaysia 5 1.7%
10 Singapore 5 1.7%
11 United Kingdom 5 1.7%
12 Venezuela, Bolivarian Republic of 2 0.7%
13 Portugal 1 0.3%
14 Russia 1 0.3%
15 Cambodia 1 0.3%
16 Ireland 1 0.3%
17 Italy 1 0.3%