2006 - 83,066
2007 - 89,987
2008 - 75,317
2009 - 89,700
2010 -104,054
2011 - 110,941
2012 - 144,881
2013 -151,170
- Kenya National Bureau of Statistics /2014
2009 - 89,700
2010 -104,054
2011 - 110,941
2012 - 144,881
2013 -151,170
- Kenya National Bureau of Statistics /2014