2023 8 3 2010 3 3 https://www.mhlw.go.jp/stf/houdou/2r98520000004mth.html 2010 3 3 2011 7 15 https://www.mhlw.go.jp/bunya/shougaihoken/toukei/shogu_tyousa/h22.html 2011 7 15 2013 3 26 https://www.mhlw.go.jp/bunya/shougaihoken/toukei/shogu_tyousa/h24.html 2013 3 26 2014 3 28 https://www.mhlw.go.jp/bunya/shougaihoken/toukei/shogu_tyousa/h25.html 2014 3 28 2016 3 30 https://www.mhlw.go.jp/bunya/shougaihoken/toukei/shogu_tyousa/h27.html 2016 3 30 2017 3 30 https://www.mhlw.go.jp/bunya/shougaihoken/toukei/shogu_tyousa/h28.html 2017 3 30 2018 4 4 https://www.mhlw.go.jp/bunya/shougaihoken/toukei/shogu_tyousa/h29.html 2018 4 4 2019 4 10 https://www.mhlw.go.jp/bunya/shougaihoken/toukei/shogu_tyousa/h30.html 2019 4 10 2020 11 12 https://www.mhlw.go.jp/bunya/shougaihoken/toukei/shogu_tyousa/r02.html 2020 11 12 2022 3 28 https://www.mhlw.go.jp/bunya/shougaihoken/toukei/shogu_tyousa/r03.html 2022 3 28 2023 8 3 https://www.mhlw.go.jp/bunya/shougaihoken/toukei/shogu_tyousa/r04.html 2023 8 3