(21:15:17\[root@DeCoBoxOmega)
[~]$ cat > last
1.      Basia Bulat             1       2369    7422    -
2.      Spain           3       1385    6624    1
3.      Devendra Banhart                2       1401    4273    1
4.      Arcade Fire             5       840     3682    1
5.      She & Him               4       1061    3094    1
6.      Islands                 13      643     2689    7
7.      Lykke Li                9       719     2612    2
8.      Andrew Bird             16      597     2596    8
9.      Belle and Sebastian             11      680     2595    2
10.     Vampire Weekend                 8       815     2540    2
11.     Girls           10      704     2510    1
12.     Do Make Say Think               45      350     2467    33
13.     Menomena                22      479     2418    9
14.     The Fiery Furnaces              12      645     2397    2
15.     Broken Social Scene             19      539     2290    4
16.     The New Pornographers           14      637     2208    2
17.     Javelin                 7       820     2009    10
18.     Beach House             30      423     1917    12
19.     Tennis                  49      336     1915    30
20.     Sic Alps                6       834     1848    14
21.     Animal Collective               35      399     1842    14
22.     Passion Pit             34      404     1818    12
23.     Great Lake Swimmers             25      459     1813    2
24.     Crocodiles              27      440     1745    3
25.     Smog            21      498     1718    4
26.     Tame Impala             37      382     1699    11
27.     Low             33      404     1683    6
28.     Spoon           18      546     1601    10
29.     Thee Oh Sees            20      505     1573    9
30.     Plants and Animals              48      342     1567    18
31.     Real Estate             26      447     1557    5
32.     TV on the Radio                 46      347     1538    14
33.     Best Coast              17      593     1531    16
34.     Radiohead               39      378     1512    5
35.     Craft Spells            29      429     1487    6
36.     Pavement                23      472     1478    13
37.     of Montreal             24      462     1439    13
38.     Memoryhouse             44      356     1412    6
39.     Woods           28      436     1358    11
40.     U.S. Girls              43      358     1348    3
41.     Cloud Cult              31      420     1337    10
42.     Ariel Pink's Haunted Graffiti           42      364     1334    -
43.     St. Vincent             40      375     1287    3
44.     Elliott Smith           36      396     1188    8
45.     Nick Waterhouse                 32      407     1105    13
46.     Heavenly Beat           41      368     1054    5
47.     Monster Rally           15      599     1038    32
48.     The Microphones                 50      326     1005    2
49.     Blackbird Blackbird             47      347     803     2

(21:15:23\[root@DeCoBoxOmega)
[~]$ awk -F"\t" '{sum += $5};END {print (sum/60) / 24 }' last
19.8167