Year and month

Savoir-faire Linux <mobile@savoirfairelinux.com>

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2019 0 0 0 0 1 1 0 1 0 0 6 4
2020 1 0 0 0 1 0 2 1 0 0 0 1
2021 1 3 0 2 1 0 0 0 0 0 0 0