|9/8 (1)Da da da (2)Da da da (3) Da da da|| Which would represent a medium pulse (tempo), which I feel would be very uncharacteristic of the song.
I hear that song as a fast waltz with each one of the Da's representing a down beat
|3/4 (1)Da (2)da (3)da | (1)Da (2) da (3) da |etc..
Now you mentioned about the equal subdivisions, which in 3/4 makes sense when you listen to the chord part (Da dada dada) or 1 2+ 3+| 1 2+ 3+|
So here's how I see that song represented in rhythm:
|3/4 1 2 3 | 1 2 3 | 1 2 3 | 1 2+3+| 1 2+3+| 1 2+ 3+| 1 2+3+||