The statistics are from the Wenjie corpus España corpus

mucha: 5
Sense: Not a marker: 1
wenjie, 1
Sense: Numeroso, abundante o intenso: 4
wenjie, 4
muchas: 7
Sense: Not a marker: 2
wenjie, 2
Sense: Numeroso, abundante o intenso: 5
wenjie, 5
mucho: 11
Sense: Not a marker: 1
wenjie, 1
Sense: Numeroso, abundante o intenso: 10
wenjie, 10
muchos: 13
Sense: Not a marker: 4
wenjie, 4
Sense: Numeroso, abundante o intenso: 9
wenjie, 9