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 158 51.8%
2 United States 78 25.6%
3 Germany 36 11.8%
4 Canada 9 3%
5 New Zealand 4 1.3%
6 Australia 3 1%
7 Malaysia 3 1%
8 Mexico 2 0.7%
9 Austria 2 0.7%
10 Ethiopia 2 0.7%
11 France 2 0.7%
12 Norway 2 0.7%
13 Portugal 2 0.7%
14 Taiwan 2 0.7%