Number of cases don't say anything. It's better to look at the amount of money.
You can have 500 politicians stealing 1 million euros each, and 5 politicians stealing 1 billion each.
You can have 500 politicians stealing 1 million euros each, and 5 politicians stealing 1 billion each.
Curious way of counting corruption
And, by the way, I think Catalonia is exactly as corrupt as the rest of the Spain, it is not a problem of the comunity, is a problem of the whole society which rewards that any people steal taxes or don't pay VAT
CiU, PP and PSOE are equal regarding corruption.