1.Columba-3916
2.Columba-3717
3.Coma Berenices-2797
4. ???
5.Cassiopeia-445
Columba-215
6.Cetus-336 Coma Berenices-3618
7.Gemini-3374 Coma Berenices-3610
8.Gemini-3325 Centaurus-450
9.Puppis-4465 Circinus-2275
10.Puppis-4190 Cassiopeia-445
11. Cetus-865 Cassiopeia-445
12.Centaurus-450 Cepheus-499
13.Cassiopeia-445 Gemini-3102
14.Gemini-3072 Columba-3515
15.Coma Berenices-99 Cassiopeia-1025 Gemini-2819
16.Cetus-336 Coma Berenices-1999 Circinus-1820
17. Coma Berenicesx2-2799 each Cetus-1080
18.Cepheus-499 Circinus-218 Gemini-3375
19. Centaurus-1000 Coma Berenicesx2-99 (restock)
20.Lacerta-1093 Lynx-1803 Canes Venatici-662
21.Horologium-2074 Chamaleon-1465 Gemini-3984
22.Eridanus-910 Chamaleon-1313 Grus-2125
23.Carina-725 Delphinus-1119 Libra-915

When I started, I had 457 quests under my belt. Here's what treats the Snowman gave me and how many I had to do to get them.

12 quests: A Snowman Halloween and 2,000 mp.
14: Hungry Pumpkin and 1,596 mp.
17: Hungry Pumpkin and 1,542 mp.
19: Hungry Pumpkin and 1,546 mp.
27: Hungry Pumpkin and 1,700 mp.
32: Hungry Pumpkin and 1,676 mp.
33: Hungry Pumpkin and 1,739 mp.
36: Hungry Pumpkin and 1,566 mp.
38: Hungry Pumpkin and 1,552 mp.
39: Hungry Pumpkin and 1,680 mp.
41: A Snowman Halloween and 2,000 mp.
44: Graveyard Gates Stamp and 3,500 m.p.
46: Hungry Pumpkin and 1,624 mp.
60: Graveyard Gates Stamp and 3,500 m.p.
61: Halloween 2007 CD and 1,500 m.p.
63: Hungry Pumpkin and 1,568 m.p.
66: Hungry Pumpkin and 1.603 m.p.
69: Hungry Pumpkin and 1,164 m.p.
73: Hungry Pumpkin and 1,580 m.p.
82: Halloween 2007 CD and 1,500 mp.
87: Ghost Costume and 25,000 mp.