The mean autocorrelation of the individual cores at 1 yr is ~.34 and at 2 years is about 0.1, obviously there are 2 or 3 cores that have an autocorr quite a bit higher.And for their top 5 PCs
1 yr levels range from about .4-.6 and at 2 yrs PC3 and PC4 are ~.3 and ~.4 respectively where the other PCs are ~.1 or less. 