I have compared your export with this of MyMovies If you want, you could add any fields again (in blank in your column) and perhaps move your seen flag at the same place than MyMovies... Do what you want to do...
Sorry but my english could appear as very poor too ;-)
I would like to show you 2 columns: one is your export format and the second the MyMovies Format So you coul see fields that you doesn't still use like <Status>, <LoanDate> and <LastChanged> Your could also move your flag <seen> at the same position than MyMovies even if it doesn't really changed anything ;-)