Pre-1995 adjustment 1520/1600 (99+%ile)
Post-1995 1600/1600 in the modern test
For sure if you took the test(s) in the 90s* they were harder than they are now, but I suspect there has been some additional inflation creep along the way.
*citation:https://en.wikipedia.org/wiki/SAT#1995_re-centering_controve...
Edit:
Holy Cow! This table shows that the percentage of students taking the ACT who achieved a perfect score increased by two orders of magnitude from 1997 to 2014: https://en.wikipedia.org/wiki/ACT_(test)#Highest_score
Edit2:
Man, I really had no idea how right I was. They took away the guessing penalty from the SAT and reduced the choices from 5 to 4: https://www.washingtonpost.com/news/grade-point/wp/2016/05/1...