Yes we can!
We just need more and better!

Passed three decades
since the ψ(4S) has been found,
unfortunately
statistics is still rather poor!

Nevertheless, evidence is mounting for
ψ(3D), ψ(5S), ψ(4D), ψ(6S), and ψ(5D).

Furthermore, upcoming evidence for
ψ(7S), ψ(6D), and ψ(8S).