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 192 66%
2 United States 47 16.2%
3 Germany 31 10.7%
4 Hong Kong 8 2.7%
5 Thailand 3 1%
6 Canada 2 0.7%
7 Japan 2 0.7%
8 Taiwan 2 0.7%
9 Australia 1 0.3%
10 Belgium 1 0.3%
11 Brazil 1 0.3%
12 Ireland 1 0.3%