This occupation supported 9,115,900 jobs in 2012 and 9,216,100 jobs in 2014, reflecting an increase of 1.1%. In 2012, this occupation was projected to increase by 11.1% in 2022 to 10,131,700 jobs. As of 2014, to keep pace with prediction, the expected number of jobs was 9,319,000, compared with an observed value of 9,216,100, 1.1% 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 7.7% in 2024 to 9,913,700 jobs. Linear extrapolation of the 2012 projection for 2022 results in an expected number of 10,334,800 jobs for 2024, 4.2% higher than the 2014 projection for 2024. This indicates expectations for future employment trends are worse than the 2012 trend within this occupation.