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 207 60.7%
2 United States 63 18.5%
3 Germany 17 5%
4 Hong Kong 11 3.2%
5 Netherlands 11 3.2%
6 Taiwan 10 2.9%
7 Sweden 4 1.2%
8 India 4 1.2%
9 Australia 3 0.9%
10 Japan 3 0.9%
11 United Kingdom 3 0.9%
12 Portugal 1 0.3%
13 Singapore 1 0.3%
14 Belgium 1 0.3%
15 Denmark 1 0.3%
16 Israel 1 0.3%