Year and month

Andreas Redmer <andreasredmer@mailchuck.com>

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2017 0 0 0 0 0 0 0 0 1 0 0 0
2018 0 0 0 0 0 0 0 0 1 0 3 0
2019 1 0 0 0 0 0 0 0 0 0 0 0