The above quoted numbers are shown for “Computer and Information Systems” and “Drama and
Theater Arts” recent college graduate unemployment rate at https://cew.georgetown.edu/wp-content/uploads/HardTimes2015-Report.pdf (page 33 & 30, respectively) for the years 2010-11. For 2011-12 it shows recent college graduate unemployment at 12.1% for “Computer and Information Systems” and at 7.5% for “Drama and Theater Arts”. The stated source is http://www.census.gov/acs/www/data_documentation/pums_data/.
A page at the Federal Reserve Bank of New York website (https://www.newyorkfed.org/research/college-labor-market/college-labor-market_compare-majors.html), stating as its source 2013-14 data from the American Community Survey, displays 6.7% and 6.8% recent college graduate unemployment for “Information systems and management” and “Performing arts”, respectively.
This suggests that immediate employability of a major can change dramatically in just three years.