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 193 58%
2 United States 64 19.2%
3 Germany 28 8.4%
4 Hong Kong 18 5.4%
5 Taiwan 12 3.6%
6 Turkey 4 1.2%
7 United Kingdom 3 0.9%
8 Singapore 3 0.9%
9 Switzerland 2 0.6%
10 Japan 2 0.6%
11 Malaysia 2 0.6%
12 Netherlands 1 0.3%
13 Australia 1 0.3%