CIM                     Compositional Impact of Migration
female                  OD matrix, female, 2008-2013.
male                    OD matrix, male, 2008-2013.
pop15_29                OD matrix, people aged 15-29, 2010-2011.
pop1_14                 OD matrix, people aged 1-14, 2010-2011.
pop30_44                OD matrix, people aged 30-34, 2010-2011.
pop45_64                OD matrix, people aged 45-64, 2010-2011.
pop65over               OD matrix, people aged 65+, 2010-2011.
