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 311 65.9%
2 United States 83 17.6%
3 Germany 35 7.4%
4 Canada 26 5.5%
5 Turkey 4 0.8%
6 India 3 0.6%
7 Sweden 2 0.4%
8 Hong Kong 2 0.4%
9 Australia 2 0.4%
10 United Kingdom 2 0.4%
11 1 0.2%
12 Netherlands 1 0.2%