case

when block_timestamp < '2021-02-01' then 'jan 2021'

when month(block_timestamp) = 12 then 'dec 2021'

else 'jan 2022'

end month_time,

date(block_timestamp) as date,

count(distinct address) as users

from algorand.transaction_participation

where year(block_timestamp) >= 2021

and month(block_timestamp) = 1

group by 1,2

limit 1000