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 72 50%
2 Netherlands 27 18.8%
3 United States 22 15.3%
4 Canada 8 5.6%
5 Germany 4 2.8%
6 France 3 2.1%
7 Russia 3 2.1%
8 Taiwan 2 1.4%
9 New Zealand 2 1.4%
10 Australia 1 0.7%