Sex Age Level of education Indicator Total Both sexes TOTAL TOTAL Average 7.67 Both sexes TOTAL TOTAL Standard deviation 5.14 Both sexes TOTAL Basic and lower Average 8.25 Both sexes TOTAL Basic and lower Standard deviation 5.06 Both sexes TOTAL Medium Average 6.80 Both sexes TOTAL Medium Standard deviation 5.11 Both sexes TOTAL Upper Average 6.65 Both sexes TOTAL Upper Standard deviation 5.14 Both sexes From From 15 to 24 years old TOTAL Average 5.06 Both sexes From From 15 to 24 years old TOTAL Standard deviation 4.37 Both sexes From From 15 to 24 years old Basic and lower Average 5.11 Both sexes From From 15 to 24 years old Basic and lower Standard deviation 4.13 Both sexes From From 15 to 24 years old Medium Average 4.67 Both sexes From From 15 to 24 years old Medium Standard deviation 4.44 Both sexes From From 15 to 24 years old Upper Average . Both sexes From From 15 to 24 years old Upper Standard deviation . Both sexes From From 25 to 64 years old TOTAL Average 7.17 Both sexes From From 25 to 64 years old TOTAL Standard deviation 5.07 Both sexes From From 25 to 64 years old Basic and lower Average 7.73 Both sexes From From 25 to 64 years old Basic and lower Standard deviation 4.99 Both sexes From From 25 to 64 years old Medium Average 7.01 Both sexes From From 25 to 64 years old Medium Standard deviation 5.13 Both sexes From From 25 to 64 years old Upper Average 6.38 Both sexes From From 25 to 64 years old Upper Standard deviation 5.05 Both sexes Aged 65 years old and over TOTAL Average 9.32 Both sexes Aged 65 years old and over TOTAL Standard deviation 4.98 Both sexes Aged 65 years old and over Basic and lower Average 9.40 Both sexes Aged 65 years old and over Basic and lower Standard deviation 4.95 Both sexes Aged 65 years old and over Medium Average 8.31 Both sexes Aged 65 years old and over Medium Standard deviation 5.05 Both sexes Aged 65 years old and over Upper Average 9.11 Both sexes Aged 65 years old and over Upper Standard deviation 5.15 Men TOTAL TOTAL Average 7.66 Men TOTAL TOTAL Standard deviation 5.19 Men TOTAL Basic and lower Average 8.37 Men TOTAL Basic and lower Standard deviation 5.12 Men TOTAL Medium Average 6.36 Men TOTAL Medium Standard deviation 5.13 Men TOTAL Upper Average 6.84 Men TOTAL Upper Standard deviation 5.09 Men From From 15 to 24 years old TOTAL Average 6.41 Men From From 15 to 24 years old TOTAL Standard deviation 4.93 Men From From 15 to 24 years old Basic and lower Average 6.57 Men From From 15 to 24 years old Basic and lower Standard deviation 4.56 Men From From 15 to 24 years old Medium Average . Men From From 15 to 24 years old Medium Standard deviation . Men From From 15 to 24 years old Upper Average . Men From From 15 to 24 years old Upper Standard deviation . Men From From 25 to 64 years old TOTAL Average 7.21 Men From From 25 to 64 years old TOTAL Standard deviation 5.13 Men From From 25 to 64 years old Basic and lower Average 8.06 Men From From 25 to 64 years old Basic and lower Standard deviation 5.17 Men From From 25 to 64 years old Medium Average 6.30 Men From From 25 to 64 years old Medium Standard deviation 5.00 Men From From 25 to 64 years old Upper Average 6.48 Men From From 25 to 64 years old Upper Standard deviation 4.95 Men Aged 65 years old and over TOTAL Average 9.34 Men Aged 65 years old and over TOTAL Standard deviation 5.04 Men Aged 65 years old and over Basic and lower Average 9.40 Men Aged 65 years old and over Basic and lower Standard deviation 5.00 Men Aged 65 years old and over Medium Average . Men Aged 65 years old and over Medium Standard deviation . Men Aged 65 years old and over Upper Average 8.94 Men Aged 65 years old and over Upper Standard deviation 5.15 Women TOTAL TOTAL Average 7.68 Women TOTAL TOTAL Standard deviation 5.12 Women TOTAL Basic and lower Average 8.19 Women TOTAL Basic and lower Standard deviation 5.03 Women TOTAL Medium Average 7.08 Women TOTAL Medium Standard deviation 5.09 Women TOTAL Upper Average 6.52 Women TOTAL Upper Standard deviation 5.18 Women From From 15 to 24 years old TOTAL Average 3.69 Women From From 15 to 24 years old TOTAL Standard deviation 3.18 Women From From 15 to 24 years old Basic and lower Average 3.59 Women From From 15 to 24 years old Basic and lower Standard deviation 2.95 Women From From 15 to 24 years old Medium Average . Women From From 15 to 24 years old Medium Standard deviation . Women From From 15 to 24 years old Upper Average . Women From From 15 to 24 years old Upper Standard deviation . Women From From 25 to 64 years old TOTAL Average 7.15 Women From From 25 to 64 years old TOTAL Standard deviation 5.04 Women From From 25 to 64 years old Basic and lower Average 7.52 Women From From 25 to 64 years old Basic and lower Standard deviation 4.87 Women From From 25 to 64 years old Medium Average 7.43 Women From From 25 to 64 years old Medium Standard deviation 5.15 Women From From 25 to 64 years old Upper Average 6.32 Women From From 25 to 64 years old Upper Standard deviation 5.11 Women Aged 65 years old and over TOTAL Average 9.32 Women Aged 65 years old and over TOTAL Standard deviation 4.95 Women Aged 65 years old and over Basic and lower Average 9.40 Women Aged 65 years old and over Basic and lower Standard deviation 4.93 Women Aged 65 years old and over Medium Average 7.96 Women Aged 65 years old and over Medium Standard deviation 4.86 Women Aged 65 years old and over Upper Average 9.26 Women Aged 65 years old and over Upper Standard deviation 5.14