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 55.1%
2 United States 66 20.3%
3 Canada 29 8.9%
4 Germany 25 7.7%
5 Taiwan 6 1.8%
6 Australia 4 1.2%
7 Russia 3 0.9%
8 Singapore 3 0.9%
9 South Africa 3 0.9%
10 Sweden 2 0.6%
11 Turkey 2 0.6%
12 United Kingdom 1 0.3%
13 Hong Kong 1 0.3%
14 Malaysia 1 0.3%