Sheesh. Susan Boyle Spends Fifth Week At No. 1 On Billboard 200. Now that Christmas is over, you’ve got to expect her sales to plummet, right? I mean, are there really more than three million grandmothers in America?

1. Susan Boyle – “I Dreamed a Dream” – 510,000 (2,982,000 total)

2. Mary J. Blige – “Stronger With Each Tear”- 330,000 (debut)

3. Andrea Bocelli – “My Christmas” – 284,000 (down 27%)

4. Alicia Keys – “Freedom” – 280,000 (down 33%)

5. Taylor Swift – “Fearless” – 224,000 (down 6%; 3,157,000 in 2009)

6. Lady Gaga – “The Fame” – 169,000 (up 20%)

7. Justin Bieber – “My World” EP – 157,000 (up 23%)

8. Carrie Underwood – “Play On” – 153,000 (down less than 1%)

9. “We Are Young Money” compilation 142,000 (debut)

10. Michael Buble – “Crazy Love” – 137,000 (down 3%)

Last week’s sales data after the jump…

Week Ending Dec. 20

1. Susan Boyle – “I Dreamed a Dream” – 661,000 copies (up 14%; 2,465,000 total)

2. Alicia Keys – “The Element of Freedom” – 417,000 (debut)

3. Andrea Bocelli – “My Christmas” – 390,000 (down 3%; 1.9 million total)

4. Taylor Swift – “Fearless” – 239,000 (up 42%)

5. Carrie Underwood – “Play On” – 153,000 (up 44%)

6. Lady Gaga – “The Fame” – 141,000 (up 37%)

7. Michael Bublé – “Crazy Love” – 140,000

8. Justin Bieber – “My World” EP – 127,000 (up 31%)

9. Robin Thicke – “Sex Therapy: The Session” – 123,000 (debut)

10. “Glee” soundtrack volume 2 – 111,000 (down 36%)

Susan Boyle: iTunes, Amazon, Insound, wiki