労働生産性の各国順位の推移(日本生産性本部) https://job-change.useful-info.com/2018/05/11/whom-you-should-consult-with-regarding-job-problem/%e5%8a%b4%e5%83%8d%e7%94%9f%e7%94%a3%e6%80%a7%e3%81%ae%e5%90%84%e5%9b%bd%e9%a0%86%e4%bd%8d%e3%81%ae%e6%8e%a8%e7%a7%bb%ef%bc%88%e6%97%a5%e6%9c%ac%e7%94%9f%e7%94%a3%e6%80%a7%e6%9c%ac%e9%83%a8%ef%bc%89/