
1) Iron Maiden's 'Bring Your Daughter' Is low in the chart despite reaching No.1 for 2 weeks this is because the first week it reached No.1 is classed as week 52 of 1990 and therefore those sales do not count towards the 1991 year end and this song dropped quite fast from the number one spot so sales were low anyway.
2) U2's The Fly maybe lower than some people expect as the song had a limited edition release.
3) The top 40 positions in this upload may differ to the previous upload of 1991 this is due to the previous upload not having the final week of sales for December.
4) There were a number of re-releases and remixes and re-entries in 1991 that were hits in previous years (Madonna particularly),so please bear this in mind before commenting and saying there were hits in 19xx not 1991.