This occupation supported 2,374,700 jobs in 2012 and 2,465,700 jobs in 2014, reflecting an increase of 3.8%. In 2012, this occupation was projected to increase by 17.2% in 2022 to 2,783,400 jobs. As of 2014, to keep pace with prediction, the expected number of jobs was 2,456,400, compared with an observed value of 2,465,700, 0.4% higher 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 10.9% in 2024 to 2,723,400 jobs. Linear extrapolation of the 2012 projection for 2022 results in an expected number of 2,865,100 jobs for 2024, 5.2% higher than the 2014 projection for 2024. This indicates expectations for future employment trends are much worse than the 2012 trend within this occupation.