Canada BoC Interest Rate Decision-corona force 2020

The bank of Canada after pandemic Corona in 2020 decided to cut the interest rate for saving the worth of Canadian Dollar
and it happened in 3 sessions:
1- A decrease in March 4th from 1.75 to 1.25
2- in 13 of march decrease from 1.25to 0.75
3- in 274 of march decrease from 0.75 to 0.25