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 72 40.7%
2 United States 51 28.8%
3 Netherlands 19 10.7%
4 Germany 17 9.6%
5 France 4 2.3%
6 Japan 3 1.7%
7 United Kingdom 3 1.7%
8 India 2 1.1%
9 Canada 1 0.6%
10 Hong Kong 1 0.6%
11 Philippines 1 0.6%
12 Romania 1 0.6%
13 Sweden 1 0.6%
14 Taiwan 1 0.6%