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 102 40.3%
2 United States 77 30.4%
3 Netherlands 26 10.3%
4 Hong Kong 11 4.3%
5 Germany 8 3.2%
6 United Kingdom 6 2.4%
7 Canada 6 2.4%
8 Taiwan 4 1.6%
9 Russia 2 0.8%
10 Australia 2 0.8%
11 Austria 1 0.4%
12 Hungary 1 0.4%
13 Indonesia 1 0.4%
14 Italy 1 0.4%
15 Japan 1 0.4%
16 Korea, Republic of 1 0.4%
17 Malaysia 1 0.4%
18 Singapore 1 0.4%
19 Portugal 1 0.4%