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 191 57.2%
2 United States 60 18%
3 Germany 35 10.5%
4 Canada 31 9.3%
5 Taiwan 3 0.9%
6 Thailand 2 0.6%
7 Australia 2 0.6%
8 Hong Kong 2 0.6%
9 India 2 0.6%
10 Malaysia 2 0.6%
11 Poland 1 0.3%
12 Singapore 1 0.3%
13 Denmark 1 0.3%
14 Greece 1 0.3%