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 121 47.6%
2 United States 51 20.1%
3 Germany 29 11.4%
4 Taiwan 11 4.3%
5 Italy 9 3.5%
6 Turkey 8 3.1%
7 Hong Kong 7 2.8%
8 Ireland 6 2.4%
9 Russia 5 2%
10 Japan 2 0.8%
11 Malaysia 2 0.8%
12 Austria 2 0.8%
13 Spain 1 0.4%