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 143 59.6%
2 United States 33 13.8%
3 Germany 26 10.8%
4 Netherlands 13 5.4%
5 Turkey 5 2.1%
6 Taiwan 4 1.7%
7 Hong Kong 4 1.7%
8 United Kingdom 3 1.2%
9 Japan 2 0.8%
10 Russia 2 0.8%
11 Singapore 2 0.8%
12 Australia 2 0.8%
13 1 0.4%