BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 81 55.1%
2 United States 39 26.5%
3 Canada 8 5.4%
4 Germany 5 3.4%
5 Netherlands 4 2.7%
6 France 3 2%
7 Norway 2 1.4%
8 Switzerland 2 1.4%
9 India 2 1.4%
10 Australia 1 0.7%