Some interesting data.
I just got the February issue of Play Meter.There was a small article about the Crystal Coast Foosball Challenge and Bonzini U.S.A. Also included was a "State of the Industry Report".
Foosball Tables
2008
Average weekly gross:
$23
Average # per operator:
7
Total # on location:
8,000
Total new purchases:
1,500
2009
Average weekly gross:
$20
Average # per operator:
6
Total # on location:
6,000
Total new purchases:
1,000
2010
Average weekly gross:
$16
Average # per operator:
3
Total # on location:
5,199
Total new purchases:
1,173
2011
Average weekly gross:
$15
Average # per operator:
4
Total # on location:
5,720
Total new purchases:
1,430
2012
Average weekly gross:
$13
Average # per operator:
7
Total # on location:
9,702
Total new purchases:
4,158
65% operate foosball table in 2011
63% operate foosball tables in 2012