ciao a tutti
ho una tabella combinata in questa maniera

Codice PHP:
codice     -    anni   -   campi1 campo2
----------------------------------------
AAA               1             0.5         0.6
AAA               2             0.5         0.6
AAA               3             0.5         0.6
BBB               1             0.5         0.6
BBB               2             0.5         0.6
BBB               3             0.5         0.6 
per ogni codice, dovrei pendere l'ultimo anno e duplicarla 5 volte, cambiando l'anno: è possibile farle ciò con un gruppo di query?
Alla fine, deve essere così

Codice PHP:
codice     -    anni   -   campi1 campo2
----------------------------------------
AAA               1             0.5         0.6
AAA               2             0.5         0.6
AAA               3             0.5         0.6
AAA               4             0.5         0.6
AAA               5             0.5         0.6
AAA               6             0.5         0.6
AAA               7             0.5         0.6
AAA               8             0.5         0.6
BBB               1             0.5         0.6
BBB               2             0.5         0.6
BBB               3             0.5         0.6
BBB               4             0.5         0.6
BBB               5             0.5         0.6
BBB               6             0.5         0.6
BBB               7             0.5         0.6
BBB               8             0.5         0.6