Table 1.

Demographic information of the population.

Feature	Longitudinal band
	$L_I$	$L_{\mathit{II}}$	$L_{\mathit{III}}$	$L_{\mathit{IV}}$	$L_V$
Limits	$[0^{\circ },-2.3^{\circ }]$	$[-2.5^{\circ },-5.{35}^{\circ }]$	$[-5.{55}^{\circ },-8.1^{\circ }]$	$[-8.3^{\circ },-10.3^{\circ }]$	$[-10.5^{\circ },-13.1^{\circ }]$
Width	$2.5^{\circ }$	$3.{05}^{\circ }$	$2.{75}^{\circ }$	$2.2^{\circ }$	$2.8^{\circ }$
Individuals	2031	2589	2386	2816	1356
Females	1108	1479	1338	1564	795
Males	923	1110	1048	1252	561
Young (18-35)	637	891	854	928	443
Mid-age (35-60)	1017	1272	1177	1425	700
Old (60-78)	377	426	355	463	213