LV10- STR 10, DEX 25, LUK XX
LV20- STR 10, DEX 40, LUK XX
LV30- STR 20, DEX 60, LUK XX
LV40- STR 30, DEX 80, LUK XX
LV50- STR 40, DEX 90, LUK XXX
LV60- STR 50, DEX 100, LUK XXX
LV70- STR 55, DEX 110, LUK XXX
LV80- STR 60, DEX 120, LUK XXX
LV90- STR 65, DEX 130, LUK XXX

After LV 70 you will only need 5 LUK per every 10 levels so that your STR and DEX meet your enw weapon requirements. Your DEX slows down a bit at LV 50 because your armor only requires 90 DEX. XX or XXX means that every other point go in LUK.

AP Distribution - Dagger Rogue

10) Double Stab +1 (1)
11) Double Stab +3 (4)
12) Double Stab +3 (7)
13) Double Stab +3 (10)
14) Nimble Body +3 (3)
15) Nimble Body +3 (6)
16) Nimble Body +3 (9)
17) Nimble Body +3 (12)
18) Nimble Body +3 (15)
19) Nimble Body +3 (18)
20) Nimble Body +2 (MAXED - 20), Save 1
21) Save 3
22) Save 3
23) Double Stab +10 (MAXED - 20)
24) Disorder +3 (3)
25) Disorder +3 (6)
26) Disorder +3 (9)
27) Disorder +3 (12)
28) Disorder +3 (15)
29) Disorder +3 (18)
30) Disorder +2 (MAXED - 20), Dark Sight +1 (1)