This is a bit tricky.My Wife (SIGNOR- PR)-- FIRST TIME for PGP-2020 (MOM & DAD):
2018- $0
2019- $85,000
2020- $85,000(expected)
Myself (CO-SIGNOR- CITIZEN)--- SIGNOR FOR PGP-2019 (MY MOM & DAD) & SPOUSAL VISA 2019 (MY WIFE)
2018- $72,000
2019- $85,000
2020- $85,000 (expected)
Experts, do you think we are ELIGIBLE TO SUBMIT INTEREST TO SPONSOR FORM?
Look at the example and try to see if you can use 4 people in 2018 because you only started to sponsor your parents in 2019...
May be go to social media of CIC and ask them.
https://www.cic.gc.ca/english/helpcentre/answer.asp?qnum=1460&top=14