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 141 53%
2 United States 46 17.3%
3 Germany 40 15%
4 Netherlands 19 7.1%
5 Thailand 9 3.4%
6 United Kingdom 2 0.8%
7 Norway 2 0.8%
8 Russia 2 0.8%
9 Hong Kong 2 0.8%
10 Canada 2 0.8%
11 Australia 1 0.4%