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 199 60.3%
2 United States 54 16.4%
3 Germany 21 6.4%
4 Netherlands 13 3.9%
5 Hong Kong 10 3%
6 5 1.5%
7 Canada 5 1.5%
8 Portugal 5 1.5%
9 Malaysia 4 1.2%
10 Japan 3 0.9%
11 Senegal 3 0.9%
12 Russia 2 0.6%
13 Macao 2 0.6%
14 Australia 2 0.6%
15 Taiwan 1 0.3%
16 United Kingdom 1 0.3%