Cellphone Smartphone
10/27/2002 62%
11/30/2004 65%
2/9/2005 66%
12/31/2005 67%
3/28/2006 66%
4/6/2006 73%
9/5/2007 76%
12/2/2007 75%
1/13/2008 77%
5/11/2008 78%
8/10/2008 82%
12/20/2008 84%
1/27/2009 85%
4/19/2009 85%
9/14/2009 84%
12/27/2009 83%
1/19/2010 80%
5/30/2010 82%
9/13/2010 85%
11/1/2010 84%
11/24/2010 82%
11/28/2010 82%
12/21/2010 81%
3/20/2011 86%
5/22/2011 83% 35%
8/26/2011 84%
12/21/2011 87%
1/8/2012 88%
1/15/2012 87% 39%
2/19/2012 88% 45%
4/3/2012 88% 46%
8/5/2012 87% 44%
8/7/2012 89%
9/6/2012 85% 45%
9/23/2012 88% 43%
9/30/2012 89%
10/14/2012 88%
11/4/2012 89%
11/10/2012 84% 46%
12/9/2012 87% 45%
12/16/2012 88%
1/6/2013 89% 51%
5/19/2013 91% 56%
7/14/2013 90% 53%
7/28/2013 91% 53%
9/16/2013 89% 54%
9/30/2013 91% 55%
10/6/2013 92% 58%
1/5/2014 92% 55%
1/12/2014 90% 58%
1/26/2014 91% 55%
2/18/2014 90%
4/27/2014 92%
9/21/2014 91%
12/21/2014 89% 59%
4/12/2015 92% 67%
7/12/2015 92% 68%
11/15/2015 91% 69%
4/4/2016 92% 72%
5/3/2016 92% 70%
11/6/2016 95% 77%
1/10/2018 95% 77%
2/7/2019 96% 81%
2/8/2021 97% 85%