This occupation supported 15,105,000 jobs in 2012 and 15,423,100 jobs in 2014, reflecting an increase of 2.1%. In 2012, this occupation was projected to increase by 7.3% in 2022 to 16,200,500 jobs. As of 2014, to keep pace with prediction, the expected number of jobs was 15,324,100, compared with an observed value of 15,423,100, 0.6% 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 5.2% in 2024 to 16,201,100 jobs. Linear extrapolation of the 2012 projection for 2022 results in an expected number of 16,419,599 jobs for 2024, 1.3% 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.