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 179 57.4%
2 United States 54 17.3%
3 Germany 36 11.5%
4 Canada 18 5.8%
5 India 9 2.9%
6 Mexico 4 1.3%
7 France 4 1.3%
8 Australia 3 1%
9 Hong Kong 3 1%
10 Netherlands 1 0.3%
11 Norway 1 0.3%