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 159 46.2%
2 United States 87 25.3%
3 Germany 39 11.3%
4 Netherlands 30 8.7%
5 Canada 10 2.9%
6 Macao 4 1.2%
7 Taiwan 3 0.9%
8 Japan 3 0.9%
9 Australia 2 0.6%
10 Brazil 2 0.6%
11 Hong Kong 2 0.6%
12 Pakistan 2 0.6%
13 Indonesia 1 0.3%