STEP ONE: List your top 20 artists and find the number of listeners for each of them.
1 Björk 1,076,119
2 Radiohead 2,100,198
3 Sondre Lerche 211,679
4 Amy Winehouse 1,016,089
5 Goldfrapp 913,433
6 Hot Chip 586,613
7 Nujabes 40,281
8 Hot Hot Heat 562,433
9 Travis 879,244
10 Calle 13 63,365
10 Lauryn Hill 410,174
12 Beenie Man 130,075
13 Sondre Lerche and the Faces Down Quartet 9,588
14 Janet Jackson 477,896
14 Notch 16,700
16 Aidonia 11,007
17 Missy Elliott 471,325
18 Lady Saw 37,404
19 The Wombats 265,883
20 Vybz Kartel 45,651
STEP TWO: Calculate the…