There's this site called "top hits online" and it compiles over 400 personal charts into 1 chart every week. I decided to quickly do Brit's runs. The archive only goes back as far as March 2002, so I just began with the "In The Zone" era to now. The "Dots" represent its still on the chart.
http://www.tophitsonline.com/currentchart.htm
Me Against The Music: 43 - 10 - 4 - 2 - 2 - 1 - 1 - 1 - 1 - 3 - 3 - 3 - 4 - 8 - 11 - 10 - 26 - 28 - 43 - 47 - 84 - OUT (21 weeks / Peak: 1 [4 weeks])
Toxic: 46 - 31 - 14 - 5 - 5 - 2 - 1 - 1 - 1 - 1 - 1 - 1 - 1 - 1 - 1 - 2 - 2 - 6 - 9 - 12 - 14 - 17 - 24 - 35 - 43 - 70 - 77 - OUT (27 weeks / Peak: 1 [9 weeks])
Everytime: 43 - 27 - 13 - 10 - 6 - 3 - 3 - 1 - 1 - 1 - 1 - 1 - 1 - 1 - 2 - 4 - 5 - 8 - 12 - 15 - 27 - 30 - 40 - 57 - 63 - OUT (25 weeks / Peak: 1 [7 weeks])
Outrageous: 95 - 55 - 44 - 28 - 26 - 33 - 38 - 44 - 41 - 54 - 55 - 69 - 69 - 88 - OUT (14 weeks / Peak: 26)
My Prerogative: 67 - 18 - 14 - 7 - 3 - 5 - 3 - 3 - 8 - 6 - 11 - 13 - 16 - 46 - 59 - 95 - OUT (16 weeks / Peak: 3)
Do Somethin': 85 - OUT - 94 - 96 - OUT - OUT - 73 - 44 - 44 - 29 - 37 - 28 - 30 - 26 - 29 - 53 - 56 - 67 - 98 - OUT - 83 - 86 - 88 - OUT (19 weeks / Peak: 26)
Someday: 53 - 35 - 28 - 52 - 41 - 46 - 50 - 64 - 58 - 83 - 52 - 52 - 54 - 66 - 82 - 99 - OUT (16 weeks / Peak: 28)
And Then We Kiss: 83 - 70 - 74 - 77 - 78 - OUT - 90 - 93 - OUT (6 weeks / Peak: 70)
Gimme More: 42 - 13 - 10 - 2 - 1 - 1 - 1 - 1 - 1 - 1 - 2 - 3 - 3 - 6 - 7 - 14 - 23 - 30 - 49 - 68 - 89 - 88 - OUT (22 weeks / Peak: 1 [6 weeks])
Piece of Me: 86 - 65 - 43 - 26 - 7 - 5 - 3 - 1 - 1 - 2 - 2 - 2 - 2...
Break The Ice: 76...