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 132 62.3%
2 United States 34 16%
3 Germany 29 13.7%
4 Russia 4 1.9%
5 Czech Republic 3 1.4%
6 Australia 3 1.4%
7 Ireland 2 0.9%
8 Netherlands 2 0.9%
9 Hong Kong 1 0.5%
10 Canada 1 0.5%
11 France 1 0.5%