Year	Units
1993-01-01	83056.43243903341
1994-01-01	91546.77537465000
1995-01-01	89746.72856414161
1996-01-01	95973.39666035000
1997-01-01	92700.69908016670
1998-01-01	38175.48873285830
1999-01-01	55064.44798700000
2000-01-01	54717.98618031670
2001-01-01	85568.07682702500
2002-01-01	103640.36530359200
2003-01-01	84349.33993424170
2004-01-01	73007.43372799999
2005-01-01	76249.90058094170
2006-01-01	79642.53282603340
2007-01-01	85419.11833346670
2008-01-01	85678.49872561250
2009-01-01	103319.99772850000
2010-01-01	103946.10701833300
2011-01-01	108492.43101221700
2012-01-01	104597.56450230800
2013-01-01	104348.78524312300
2014-01-01	116455.08602002500
2015-01-01	128421.32408584200
2016-01-01	128728.60786922499
2017-01-01	128403.89599103302