Age Depression prevalence Total Total Total 28,552 Total Serious depression symptoms 5,145 Total Other depression symptoms 4,730 Total No depression symptoms 17,609 Total Not given 1,068 Between 18 and 29 years Total 6,036 Between 18 and 29 years Serious depression symptoms 797 Between 18 and 29 years Other depression symptoms 772 Between 18 and 29 years No depression symptoms 4,212 Between 18 and 29 years Not given 255 Between 30 and 44 years Total 8,573 Between 30 and 44 years Serious depression symptoms 1,512 Between 30 and 44 years Other depression symptoms 1,583 Between 30 and 44 years No depression symptoms 5,280 Between 30 and 44 years Not given 198 Between 45 and 64 years Total 12,366 Between 45 and 64 years Serious depression symptoms 2,688 Between 45 and 64 years Other depression symptoms 2,198 Between 45 and 64 years No depression symptoms 6,958 Between 45 and 64 years Not given 523 More than 64 years Total 1,578 More than 64 years Serious depression symptoms 149 More than 64 years Other depression symptoms 177 More than 64 years No depression symptoms 1,159 More than 64 years Not given 92