How old is the gel and is it kept outside????. In some cases colorsanding and rubbing will help it to stay shinny longer but if the boat is older it might be time to go to more drastic measures if you want that shine to last.
It is only a 2000. The colors are fine, it is just the white that was mildly oxidized. The boat is indoors all winter but is out in the elements for most of the summer.