Documents 24 in 2013 28.6 42.5 34.1 32.3 25.8 22.2 (2010s average only for 4 years)

24 in 2013 Chart1 14 19 34 31 25 28 31 23 37 29 36 35 44 32 41 55 50 48 55 47 56 29 29 35 27 31 28 23 36 23 30 27 41 30 27 39 32 47 27 32 35 33 25 21 27 21 18 30 16 21 25…