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 164 61.9%
2 United States 35 13.2%
3 Germany 34 12.8%
4 Taiwan 13 4.9%
5 Hong Kong 7 2.6%
6 Malaysia 2 0.8%
7 Netherlands 2 0.8%
8 Russia 2 0.8%
9 France 2 0.8%
10 Brazil 2 0.8%
11 Canada 1 0.4%
12 Switzerland 1 0.4%