I don't think the year is the determining factor. There are several (okay, three I think) styles of spoiler that were used throughout the years. My 2006 has this one...
... this one is also an '06
That's just one year of the Land Cruiser... the LX470 adds a few more styles
... this one is also an '06
That's just one year of the Land Cruiser... the LX470 adds a few more styles