"20 Y.O."
Janet Jackson
Peak
#2
Weeks on Chart
15
Weeks at #1
0
Weeks at Peak
1
Debut Position
#2
Debut Date
Oct 14, 2006
Last Week
Jan 20, 2007
Chart History
| Week | Pos | Mv | Lw | Pk | Wks |
|---|---|---|---|---|---|
| Jan 20, 2007 | 189 | ▼21 | 168 | 2 | 15 |
| Jan 13, 2007 | 168 | ▼5 | 163 | 2 | 14 |
| Jan 6, 2007 | 163 | ▲21 | 184 | 2 | 13 |
| Dec 30, 2006 | 184 | ▼26 | 158 | 2 | 12 |
| Dec 23, 2006 | 158 | ▼21 | 137 | 2 | 11 |
| Dec 16, 2006 | 137 | ▼92 | 45 | 2 | 10 |
| Dec 9, 2006 | 45 | ▲46 | 91 | 2 | 9 |
| Dec 2, 2006 | 91 | ▼24 | 67 | 2 | 8 |
| Nov 25, 2006 | 67 | ▼23 | 44 | 2 | 7 |
| Nov 18, 2006 | 44 | ▼2 | 42 | 2 | 6 |
| Nov 11, 2006 | 42 | ▼14 | 28 | 2 | 5 |
| Nov 4, 2006 | 28 | ▼9 | 19 | 2 | 4 |
| Oct 28, 2006 | 19 | ▼10 | 9 | 2 | 3 |
| Oct 21, 2006 | 9 | ▼7 | 2 | 2 | 2 |
| Oct 14, 2006 | 2 | NEW | — | 2 | 1 |
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