BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 55 36.7%
2 United States 46 30.7%
3 Netherlands 16 10.7%
4 India 8 5.3%
5 United Kingdom 6 4%
6 Germany 5 3.3%
7 Israel 2 1.3%
8 Russia 2 1.3%
9 Taiwan 2 1.3%
10 Denmark 2 1.3%
11 France 2 1.3%
12 Australia 2 1.3%
13 Canada 2 1.3%