select SYMBOL_in , count(DISTINCT tx_hash) as swap_count,

count (DISTINCT trader) as swapper , sum(amount_in_usd) as vol

from near.defi.ez_dex_swaps

where BLOCK_TIMESTAMP>=current_date-60 and platform='v2.ref-finance.near' and amount_in_usd is not null

GROUP by 1

order by 4 DESC limit 5