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 178 56.5%
2 United States 70 22.2%
3 Germany 31 9.8%
4 Netherlands 15 4.8%
5 Hong Kong 4 1.3%
6 Russia 3 1%
7 Turkey 3 1%
8 United Kingdom 2 0.6%
9 Singapore 2 0.6%
10 Taiwan 2 0.6%
11 Japan 2 0.6%
12 Malaysia 2 0.6%
13 Australia 1 0.3%