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 186 60.2%
2 United States 62 20.1%
3 Germany 31 10%
4 Canada 11 3.6%
5 Hong Kong 4 1.3%
6 Japan 4 1.3%
7 United Kingdom 2 0.6%
8 Hungary 2 0.6%
9 Brazil 2 0.6%
10 Australia 2 0.6%
11 Azerbaijan 1 0.3%
12 Singapore 1 0.3%
13 Taiwan 1 0.3%