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 193 40.8%
2 China 130 27.5%
3 Netherlands 69 14.6%
4 Germany 21 4.4%
5 France 16 3.4%
6 Hong Kong 11 2.3%
7 Malaysia 7 1.5%
8 Portugal 7 1.5%
9 Canada 4 0.8%
10 3 0.6%
11 Australia 3 0.6%
12 Senegal 3 0.6%
13 Singapore 2 0.4%
14 Switzerland 2 0.4%
15 Austria 1 0.2%
16 Japan 1 0.2%