I can find production numbers for all 3, but no estimates on survivors
This question always comes up at car shows!

1959 Skyliner weight = 4,064 MSRP $3,346 # built 12,915
1958 Skyliner weight = 4,069 MSRP $3,163 # built 14,713
1957 Skyliner weight = 3,916 MSRP $2,942 # built 20,766