Year and month

Sylvia van Os <sylvia@hackerchick.me>

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2021 1 0 0 0 0 0 0 0 0 6 1 1
2022 1 0 1 0 1 0 0 0 0 0 0 0
2023 1 0 0 0 0 0 0 0 0 0 0 0