A bar graph titled Projected Job Growth by Occupation showing number of workers in thousands for 4 occupations in 2006 and 2016. Registered nurses: 2,500 in 2006, 3,050 in 2016. Postsecondary teachers: 1,650 in 2006, 2,050 in 2016. Waiters and waitresses: 2,400 in 2006, 2,550 in 2016. Computer systems analysts: 500 in 2006, 650 in 2016.
Based on the above graph, which of the four occupations listed is expected to add the greatest number of jobs from 2006 to 2016?