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 153 57.5%
2 United States 45 16.9%
3 Germany 33 12.4%
4 Canada 17 6.4%
5 Taiwan 4 1.5%
6 Australia 3 1.1%
7 Singapore 3 1.1%
8 United Kingdom 2 0.8%
9 Romania 2 0.8%
10 Russia 2 0.8%
11 Hong Kong 1 0.4%
12 Uzbekistan 1 0.4%