SEX AGE INDICATOR Total BOTH SEXES Total Mean 17.73 BOTH SEXES Total Standard deviation 4.99 BOTH SEXES From 15 to 24 years old Mean 16.16 BOTH SEXES From 15 to 24 years old Standard deviation 2.14 BOTH SEXES From 25 to 34 years old Mean 16.98 BOTH SEXES From 25 to 34 years old Standard deviation 3.17 BOTH SEXES From 35 to 44 years old Mean 17.37 BOTH SEXES From 35 to 44 years old Standard deviation 3.74 BOTH SEXES Ages 45 to 54 Mean 18.41 BOTH SEXES Ages 45 to 54 Standard deviation 5.50 BOTH SEXES From 55 to 64 years old Mean 18.07 BOTH SEXES From 55 to 64 years old Standard deviation 5.35 BOTH SEXES Ages 65 to 74 Mean 18.22 BOTH SEXES Ages 65 to 74 Standard deviation 7.04 BOTH SEXES 75 and over Mean 19.94 BOTH SEXES 75 and over Standard deviation 8.57 Men Total Mean 17.45 Men Total Standard deviation 4.64 Men From 15 to 24 years old Mean 16.20 Men From 15 to 24 years old Standard deviation 2.34 Men From 25 to 34 years old Mean 17.05 Men From 25 to 34 years old Standard deviation 3.27 Men From 35 to 44 years old Mean 17.38 Men From 35 to 44 years old Standard deviation 3.67 Men Ages 45 to 54 Mean 18.28 Men Ages 45 to 54 Standard deviation 5.70 Men From 55 to 64 years old Mean 17.68 Men From 55 to 64 years old Standard deviation 5.19 Men Ages 65 to 74 Mean 17.10 Men Ages 65 to 74 Standard deviation 5.87 Men 75 and over Mean 17.36 Men 75 and over Standard deviation 4.68 Women Total Mean 18.13 Women Total Standard deviation 5.41 Women From 15 to 24 years old Mean 16.09 Women From 15 to 24 years old Standard deviation 1.73 Women From 25 to 34 years old Mean 16.86 Women From 25 to 34 years old Standard deviation 3.00 Women From 35 to 44 years old Mean 17.35 Women From 35 to 44 years old Standard deviation 3.86 Women Ages 45 to 54 Mean 18.60 Women Ages 45 to 54 Standard deviation 5.19 Women From 55 to 64 years old Mean 18.46 Women From 55 to 64 years old Standard deviation 5.48 Women Ages 65 to 74 Mean 19.60 Women Ages 65 to 74 Standard deviation 8.05 Women 75 and over Mean 23.72 Women 75 and over Standard deviation 11.18