Pt,a,h	Population in time t in age a in health status h with a = age [years], a = 0..100
	$h=\left\{\begin{array}{cc}1& \mathit{healthy}\\ 2& \mathit{hearingloss}\\ 3& \mathit{unilateralCI}\\ 4& \mathit{bilateralCI}\end{array}\right)$
CIut,a	New unilateral CIs in time t in age a; a = 0..100
CIbt,a	New bilateral CIs in time t in age a; a = 0..100
SNt	New speech processors in time t
CINt	Reimplantations in time t
$\mathrm{\Delta }{P\_Fer}_{t,\mathrm{a},\mathrm{h}}$	Change of population in time t in age a in health status h due to fertility, a = 0..100; h = 1..4
$\mathrm{\Delta }{P\_Mor}_{t,a,h}$	Change of population in time t in age a in health status h due to mortality, a = 0..100; h = 1..4
$\mathrm{\Delta }{P\_Aging}_{t,a,h}$	Change of population in time t in age a in health status h due to aging, a = 0..100; h = 1..4
$\mathrm{\Delta }{P\_S}_{t,a,\mathrm{h}}$	Change of population in time t in age a in health status h due to CI-relevant hearing loss, a = 20..100, h = 1..2
$\mathrm{\Delta }{P\_CIu}_{t,a,\mathrm{h}}$	Change of population in time t in age a in health status h due to unilateral CI implantation, a = 20..100; h = 2..3
$\mathrm{\Delta }{P\_CIb}_{t,a,\mathrm{h}}$	Change of population in time t in age a in health status h due to bilateral CI implantation, a = 20..100; h = 3..4