The unemployment rates in a certain region for the years 1994-2014 are shown in the graph. Find the average change per year in unemployment for the time periods in parts (a) through (c). (a) 1994 to 2000 The average change per year in unemployment from 1994 to 2000 is (Round to two decimal places as needed.) (b) 2000 to 2006 The average change per year in unemployment from 2000 to 2006 is (Round to two decimal places as needed.) (c) 2006 to 2012 The average change per year in unemployment from 2006 to 2012 is (Round to two decimal places as needed.) Unemployment rate, % 12 10- 9.1 8- 6.7 ° 8.2 59 6.0 75 5.3 5.5 4.8 5.8 5.6 2- 0+ 1994 1998 2002 2006 2010 2014 Year