Qualifications by Economic Activity Status by Borough Data has been reweighted in 2016 in line with the latest ONS estimates. 95% confidence interval of percent figure (+/-). ! Estimate and confidence interval not available since the group sample size is zero or disclosive (0-2). * Estimate and confidence interval unreliable since the group sample size is small (3-9). ~ Estimate is less than 500. See more on the NOMIS Website.