In 2012, LEGO released 6 Star Wars Planet Set sets, all of these sets have been retired. For that year, the total price of all retail sets cost $60, today those sets are valued around $180, a growth of 200%.
Most valuable 2012 LEGO Star Wars Planet Set set
9675 Sebulba's Podracer & Tatooine $37.99
Most owned 2012 Star Wars Planet Set set
9676 TIE Interceptor & Death Star
6 sets

9674 Naboo Starfighter & Naboo

Theme / Subtheme Star Wars / Planet Set
Year 2012
Pieces / Minifigs 56 / 1
Availability Retired
9674 LEGO Star Wars Naboo Starfighter & Naboo
Retail $9.99
Value $22.68
Growth  +127.0%
Annual growth 5.7%

9675 Sebulba's Podracer & Tatooine

Theme / Subtheme Star Wars / Planet Set
Year 2012
Pieces / Minifigs 80 / 1
Availability Retired
9675 LEGO Star Wars Sebulba's Podracer & Tatooine
Retail $9.99
Value $37.99
Growth  +280.3%
Annual growth 9.8%

9676 TIE Interceptor & Death Star

Theme / Subtheme Star Wars / Planet Set
Year 2012
Pieces / Minifigs 65 / 1
Availability Retired
9676 LEGO Star Wars TIE Interceptor & Death Star
Retail $9.99
Value $37.48
Growth  +275.2%
Annual growth 5.2%

9677 X-Wing Starfighter & Yavin 4

Theme / Subtheme Star Wars / Planet Set
Year 2012
Pieces / Minifigs 77 / 1
Availability Retired
9677 LEGO Star Wars X-Wing Starfighter & Yavin 4
Retail $9.99
Value $30.40
Growth  +204.3%
Annual growth 5.2%

9678 Twin-Pod Cloud Car & Bespin

Theme / Subtheme Star Wars / Planet Set
Year 2012
Pieces / Minifigs 78 / 1
Availability Retired
9678 LEGO Star Wars Twin-Pod Cloud Car & Bespin
Retail $9.99
Value $21.09
Growth  +111.1%
Annual growth 7.8%

9679 AT-ST & Endor

Theme / Subtheme Star Wars / Planet Set
Year 2012
Pieces / Minifigs 65 / 1
Availability Retired
9679 LEGO Star Wars AT-ST & Endor
Retail $9.99
Value $29.98
Growth  +200.1%
Annual growth 5.5%