This occupation supported 1,247,000 jobs in 2012 and 1,268,200 jobs in 2014, reflecting an increase of 1.7%. In 2012, this occupation was projected to increase by 10.7% in 2022 to 1,379,900 jobs. As of 2014, to keep pace with prediction, the expected number of jobs was 1,273,500, compared with an observed value of 1,268,200, 0.4% lower than expected. This indicates current employment trends are about on track with the 2012 trend within this occupation. In 2014, this occupation was projected to increase by 5.2% in 2024 to 1,332,800 jobs. Linear extrapolation of the 2012 projection for 2022 results in an expected number of 1,406,400 jobs for 2024, 5.5% higher than the 2014 projection for 2024. This indicates expectations for future employment trends are much worse than the 2012 trend within this occupation.