Year and month

Jonathan Magano <jonathanmm@free.fr>

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2016 0 0 0 0 0 0 0 0 0 0 0 1
2017 0 0 0 0 0 0 0 0 0 0 0 1
2018 0 0 0 0 0 0 0 0 0 0 0 1
2020 0 0 0 0 0 0 0 0 0 0 0 1