YEAR	Floats deployed during the year	Active Floats by end of the year	Inactive Floats by end of the year	Total floats during the year
2001	45	35	10	45
2002	104	114	25	139
2003	118	184	48	232
2004	178	309	53	362
2005	160	391	78	469
2006	201	490	102	592
2007	156	515	131	646
2008	162	558	119	677
2009	172	588	142	730
2010	236	681	143	824
2011	230	729	182	911
2012	5	--	--	734