This occupation supported 5,522,300 jobs in 2012 and 5,617,200 jobs in 2014, reflecting an increase of 1.7%. In 2012, this occupation was projected to increase by 12.5% in 2022 to 6,213,300 jobs. As of 2014, to keep pace with prediction, the expected number of jobs was 5,660,500, compared with an observed value of 5,617,200, 0.8% 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 6.3% in 2024 to 5,967,000 jobs. Linear extrapolation of the 2012 projection for 2022 results in an expected number of 6,351,500 jobs for 2024, 6.4% higher than the 2014 projection for 2024. This indicates expectations for future employment trends are much worse than the 2012 trend within this occupation.