皇冠体育app

皇冠体育app LFS is the largest regular household survey in Northern Ireland, providing a rich source of information on the labour force using internationally agreed concepts and definitions. It is a quarterly sample survey and is therefore subject to sampling error, which decreases as the sample size increases. 皇冠体育app Local Area Database (LADB) is an annual database which comprises responses from four consecutive quarters of the LFS and thus contains 60% more records than the quarterly databases, facilitating more extensive sub-regional analysis.