June to July June 2019 July 2019 July 2018 to July 2019 2019 in thousands Seasonally adjusted in thousands change in thousands Both sexes, 15 years and over Population 30 466.3 30 508.7 42.4 449.9 Labour force 20 531.5 20 541.0 9.5 340.0 Employment 18 908.8 18898.6 -10.2 443.1. Unemployment 1 622.7 1 642.3 19.6 -93.1 a. Between July 2018 and July 2019, employment has increased by 443,100 workers, but the labour force increased by only 340,000 workers. Explain the difference in these numbers. Is it possible that the increase in labour force is greater than the increase in employment? b. During the same period, employment increased by 443,100 workers, but unemployment decreased by only 93,100. Are these data plausible? How could this difference be explained?