This would be the economic post, I suppose, if you're pressed for time. (Bold denotes a special tier of top favorites among these favorites.) You could always read the annotations later!
JANUARY
1. All-American Rejects – Move Along
2. Fergie – Fergalicious
3. Gwen Stefani – Sweet Escape
4. Regina Spektor – Fidelity
5. Snow Patrol – Chasing Cars
FEBRUARY
6. 8mm – Liar
7. Chris Brown – Run It!
8. Ludacris/Mary J. Blige – Runaway Love
9. Red Hot Chili Peppers – Snow (Hey Oh)
10. Shakira – Estoy Aqui
11. Shakira – Te Dejo Madrid
MARCH
12. Indigo Girls – All the Way
13. Indigo Girls – Fly Away
14. Indigo Girls – Little Perennials
15. Indigo Girls – Money Made You Mean
16. Indigo Girls – Pendulum Swinger
17. Indigo Girls – Rock and Roll Heaven’s Gate
18. Liz Phair – Extraordinary
19. Petula Clark – Downtown
20. RENT soundtrack – Another Day
21. RENT soundtrack – I Should Tell You
22. Sarah McLachlan – Drawn to the Rhythm
23. Sarah McLachlan – Into the Fire
24. Shakira – Poco de Amor
25. Shakira – Dia de Enero
26. Shakira – Eyes Like Yours
27. Shakira – Underneath Your Clothes
APRIL
28. Avril Lavigne – Alone
29. Avril Lavigne – Get Over It
30. Avril Lavigne – Girlfriend
31. Beyonce/Shakira – Beautiful Liar
32. Celine Dion – Pour Que Tu M’aimes Encore
33. Daughtry – Home
34. Daughtry – It’s Not Over
35. Jennifer Lopez – Jenny From the Block
36. Jewel – Emily
37. Katharine McPhee – Over It
38. RENT soundtrack – Goodbye Love
39. RENT soundtrack – Halloween
40. RENT soundtrack – La Vie Boheme
41. RENT soundtrack – Out Tonight
42. RENT soundtrack – Rent
43. RENT soundtrack – What You Own
44. RENT soundtrack – You’ll See
45. Shakira – Antologia
46. Shakira – Octavo Dia
47. Shakira – Si Te Vas
MAY
48. Avril Lavigne – Everything Back But You
49. Avril Lavigne – Innocence
50. Avril Lavigne – One of Those Girls
51. Avril Lavigne – Two Rivers
52. Avril Lavigne – When You’re Gone
53. Brett Dennen – Ain’t No Reason
54. Celine Dion – Les Derniers Seront Les Premiers
55. Hilary Duff – With Love
56. Jeff Buckley – Hallelujah
57. Maria Mena – Patience
58. Maria Mena – Sorry
JUNE
59. Avril Lavigne – Headset
60. Hilary Duff – Dignity
61. Hilary Duff – Gypsy Woman
62. Maria Mena – This Bottle of Wine
63. Maria Mena – Those Who Caved In
64. Marion Raven – Break You
65. Marion Raven – Falling Away
66. Marion Raven – Six Feet Under
67. Regina Spektor – Braille
68. Regina Spektor – Buildings
JULY
69. Cat Power – Werewolf
70. Citizen Cope – Let the Drummer Kick
71. Clay Aiken – A Thousand Days
72. Clay Aiken – Broken Wings
73. Stars – Your Ex-Lover is Dead
74. Tori Amos – Pandora’s Aquarium
AUGUST
75. Oliver Wood and the Remembralls – Lupin’s Tale
76. Regina Spektor – Apres-Moi
77. Regina Spektor – Better
78. Regina Spektor – The Ghost of Corporate Future
79. Shakira – Escondite Ingles
80. Shakira – La Pared
81. Shakira – Las de la Intuicion
SEPTEMBER
82. Avril Lavigne – Best Damn Thing
83. Avril Lavigne – Contagious
84. Carrie Underwood – Before He Cheats
85. Imogen Heap – Glittering Cloud
86. Jordin Sparks – Tattoo
87. Kelly Clarkson – Not Today
88. Phil Stacey – Tobacco Road
89. Plain White T’s – Hey There Delilah
90. Sara Bareilles – Fairytale
OCTOBER
91. Carbon Leaf – Life Less Ordinary
92. Keri Noble – Emily
93. Keri Noble – How Far You’ve Come
94. Keri Noble – Let Go
95. Keri Noble – Ooh Oh
96. Keri Noble – Talk to Me
97. Keri Noble – Violet Sky
98. Keri Noble – Watch Me Walk
99. Panjabi MC – Mundian To Bach Ke
100. Vanessa Carlton – Fools Like Me
101. Vanessa Carlton – Hands On Me
102. Vanessa Carlton – Heroes and Thieves
103. Vanessa Carlton – Home
104. Vanessa Carlton – More Than This
105. Vanessa Carlton – Nolita Fairytale
106. Vanessa Carlton/Stevie Nicks – The One
NOVEMBER
107. Hans Zimmer: PotC: AWE soundtrack (not #1, esp 2/4/14/15)
108. Josh Groban – Little Drummer Boy
109. Josh Groban - Thankful
110. Josh Groban – What Child is This
111. Kendall Payne – I Will Show You Love
112. Kendall Payne – Scratch
113. Matt Nathanson – All We Are
114. Sia – Little Black Sandals
DECEMBER
115. Emilie Autumn – Across the Sky
116. Goldfrapp – Crystalline Green
117. Grayharp – Wild Card
118. Hanson – Look at You
119. Hanson – Where’s the Love
120. Hanson – Yearbook
121. Justin Timberlake – What Goes Around
122. The Kooks – Seaside
123. Melissa Etheridge – The Different
124. Nina Gordon – Watercolors
125. Sleepthief/san.drine – Entre Ciel et Mer
126. Stars – Look Up