AI_CATEGORY	YEAR	LBS_AI	ACRES
OP_CAR	1997	16443470	12063379
OP_CAR	1998	13873492	9803670
OP_CAR	1999	12720391	9147770
OP_CAR	2000	11853923	8411228
OP_CAR	2001	10106283	6922593
OP_CAR	2002	8745445	6360172
OP_CAR	2003	7915345	6357749
OP_CAR	2004	7787213	5995784
OP_CAR	2005	7534509	6324077
OP_CAR	2006	6920167	5691937
OP_CAR	2007	5674773	4804833
OP_CAR	2008	5018921	4320245
OP_CAR	2009	4264347	3469710
OP_CAR	2010	4454515	3993775
OP_CAR	2011	4493601	4064719
OP_CAR	2012	3997537	3634272
OP_CAR	2013	4517205	4059070
OP_CAR	2014	4541700	3883120
OP_CAR	2015	4381639	3492731
OP_CAR	2016	4338012	3263059
OP_CAR	2017	4225056	3319870