Table:
type of charge
2005/2006
2006/2007
2007/2008
2008/2009
2009/2010
2010/2011
2011/2012
2012/2013
2013/2014

number of completed cases

failure to appear
24,519
24,469
26,173
24,543
23,008
22,761
20,536
20,071
19,753

breach of probation
91,121
94,198
96,835
101,365
108,032
111,110
112,366
114,915
109,822

prisoner unlawfully at large
7,478
7,707
8,027
7,636
7,575
8,340
9,509
10,048
10,500

failure to comply with order
131,363
136,842
155,548
164,331
168,581
173,739
173,177
172,962
164,612

other offences against the administration of justice
24,214
24,844
26,730
27,174
27,538
27,517
26,786
25,796
23,837

total
278,695
288,060
313,313
325,049
334,734
343,467
342,374
343,792
328,524

Statement: between 2005/2006 and 2013/2014,instances of failure to appear decreased by almost one-fifth.
Question: between 2005/2006 and 2013/2014,how much did instances of failure change?
Answer: [-0.19438]