非正規雇用割合の推移(男性:ガベージニュース) https://job-change.useful-info.com/2018/05/28/young-people-should-get-regular-jobs/%e9%9d%9e%e6%ad%a3%e8%a6%8f%e9%9b%87%e7%94%a8%e5%89%b2%e5%90%88%e3%81%ae%e6%8e%a8%e7%a7%bb%ef%bc%88%e7%94%b7%e6%80%a7%ef%bc%9a%e3%82%ac%e3%83%99%e3%83%bc%e3%82%b8%e3%83%8b%e3%83%a5%e3%83%bc%e3%82%b9/