779 tourneys - mostly 33s (Party)

10/15->9.9%-> 11BB/100
15/30->10.12%-> 2 BB/100
25/50->10.9%-> 4 BB/100
50/100->13.40%-> 7BB/100
100/200->22.44%-> 12BB/100
200/400->34.22%-> 18BB/100

I play tighter than you in the first levels. Maybe you are calling too many raises with small pairs? I don't know.