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 63 37.7%
2 United States 41 24.6%
3 Germany 14 8.4%
4 Hong Kong 10 6%
5 6 3.6%
6 Senegal 6 3.6%
7 Taiwan 5 3%
8 Portugal 5 3%
9 Canada 4 2.4%
10 Netherlands 3 1.8%
11 Russia 2 1.2%
12 Singapore 2 1.2%
13 Switzerland 1 0.6%
14 Turkey 1 0.6%
15 Australia 1 0.6%
16 France 1 0.6%
17 Ireland 1 0.6%
18 Malaysia 1 0.6%