Year	SEQ	2012	2015	2018	2022
maths	bottom qtr	466	456	456	428
maths	top qtr	551	531	528	526
reading	bottom qtr	477	462	471	457
reading	top qtr	555	533	545	545
science	bottom qtr	483	460	451	444
science	top qtr	565	543	535	536