sss computation???

sino po nkakaalam panu i compute ang mkukuha sa sss???? nov 2019 po Edd ko,,, dec 2018 330 hulog ko,,, jan - march 530/month po hulog ko,,, april,may,june,july2019, 1800/month hulog ko aug,set,oct,nov,dec,2019 540/ month nmn poh hinulog ko,,, salamaf po sa makakapansin,,,