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 56.1%
2 United States 68 21.3%
3 Germany 30 9.4%
4 Canada 19 6%
5 Hong Kong 5 1.6%
6 Taiwan 4 1.3%
7 Australia 3 0.9%
8 Malaysia 3 0.9%
9 Italy 2 0.6%
10 France 2 0.6%
11 Sweden 2 0.6%
12 Chile 1 0.3%
13 Spain 1 0.3%