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 177 68.3%
2 United States 35 13.5%
3 Germany 32 12.4%
4 India 2 0.8%
5 Netherlands 2 0.8%
6 Georgia 2 0.8%
7 Brazil 2 0.8%
8 Canada 2 0.8%
9 Taiwan 2 0.8%
10 Turkey 1 0.4%
11 Australia 1 0.4%
12 Russia 1 0.4%