Opt-outs
Jan-April 2016
20
40
60
80
100
120
140
160
180
200
220
160
1999
2
0
0
166
2000
1
2
0
157
2001
1
2
0
160
2002
4
1
0
150
2003
5
4
0
198
2004
3
1
0
119
2005
2
1
0
198
2006
2
1
0
135
2007
2
5
0
213
2008
3
3
0
211
2009
6
4
0
96
2010
11
1
3
86
2011
7
4
9
77
2012
2
7
2
118
2013
8
9
9
156
2014
5
4
0
66
2015
6
7
3
9
Jan-April 2016
0
3
4
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