AI_CATEGORY YEAR LBS_AI ACRES TAC 2001 38949467 4710882 TAC 2002 45192888 4630581 TAC 2003 47053441 5221274 TAC 2004 47402971 4846040 TAC 2005 47578248 5342750 TAC 2006 46873744 5110041 TAC 2007 44341926 4271360 TAC 2008 46530070 3981554 TAC 2009 38649189 3518208 TAC 2010 45156053 3840117 TAC 2011 47136974 3749037 TAC 2012 50415939 3595006 TAC 2013 48305007 3678750 TAC 2014 46095125 3578729 TAC 2015 49118635 3331350 TAC 2016 46853456 3060593 TAC 2017 43471422 2970404 TAC 2018 41415243 2567239 TAC 2019 38914141 2153152 TAC 2020 41567845 2198409