This occupation supported 8,941,900 jobs in 2012 and 9,230,300 jobs in 2014, reflecting an increase of 3.2%. In 2012, this occupation was projected to increase by 0.8% in 2022 to 9,017,500 jobs. As of 2014, to keep pace with prediction, the expected number of jobs was 8,957,000, compared with an observed value of 9,230,300, 3.1% higher than expected. This indicates current employment trends are better than the 2012 trend within this occupation. In 2014, this occupation was projected to decrease by 3.2% in 2024 to 8,948,300 jobs. Linear extrapolation of the 2012 projection for 2022 results in an expected number of 9,032,600 jobs for 2024, 0.9% higher than the 2014 projection for 2024. This indicates expectations for future employment trends are about on track with the 2012 trend within this occupation.