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 179 59.9%
2 United States 53 17.7%
3 Germany 33 11%
4 Canada 15 5%
5 Taiwan 5 1.7%
6 Hong Kong 5 1.7%
7 Malaysia 2 0.7%
8 Australia 2 0.7%
9 Brazil 1 0.3%
10 France 1 0.3%
11 Switzerland 1 0.3%
12 Italy 1 0.3%
13 Thailand 1 0.3%