Average attendance vs local population

1
Bourgoin
Bourgoin
city: Bourgoin-Jallieu
population: 29,577
avg attendance: 9,998
33.80%
2
Dax
Dax
city: Dax
population: 21,347
avg attendance: 3,250
15.22%
3
CA Brive
CA Brive
city: Brive
population: 49,675
avg attendance: 5,000
10.07%
4
SU Agen
SU Agen
city: Agen
population: 34,126
avg attendance: 3,167
9.28%
5
Castres Olympique
Castres Olympique
city: Castres
population: 43,010
avg attendance: 3,167
7.36%
6
Périgueux
Périgueux
city: Périgueux
population: 29,876
avg attendance: 2,100
7.03%
7
Section Paloise
Section Paloise
city: Pau
population: 84,978
avg attendance: 4,333
5.10%
8
Narbonne
Narbonne
city: Narbonne
population: 56,395
avg attendance: 2,250
3.99%
9
Biarritz Olympique
Biarritz Olympique
city: Biarritz
population: 25,404
avg attendance: 1,000
3.94%
10
ASM Clermont
ASM Clermont
city: Clermont-Ferrand
population: 141,569
avg attendance: 5,174
3.66%
11
Caerphilly
Caerphilly
city: Caerphilly
population: 41,402
avg attendance: 1,500
3.62%
12
Connacht Rugby
Connacht Rugby
city: Galway
population: 79,934
avg attendance: 1,750
2.19%
13
Bridgend Ravens
Bridgend Ravens
city: Bridgend
population: 147,049
avg attendance: 1,450
0.99%
14
Portugal
Portugal
city: Lisbon
population: 548,703
avg attendance: 1,650
0.30%
15
Roma
Roma
city: Rome
population: 4,342,212
avg attendance: 1,600
0.04%
16
Spain
Spain
city: Valladoid
population: 47,163,418
avg attendance: 2,500
0.01%
How is this data calculated? Averages are calculated from match attendances figures sourced from the official web wite for all home games played by respective teams during the 1998-1999 English Premiership season.