Year Percent change (Units) 1993 7344.000 1994 1.075 1995 2144.245 1996 40.546 1997 163.562 1998 2.725 1999 30.142 2000 60.628 2001 12.479 2002 14.471 2003 13.731 2004 5.732 2005 7.125 2006 12.514 2007 19.846 2008 11.857 2009 4.915 2010 9.804 2011 9.315 2012 6.444 2013 3.707 2014 7.381 2015 5.082 2016 6.067 2017 6.658 2018 5.383 2019 8.047 2020 9.427 2021 8.042 2022 4.234 2023 3.831 2024 6.000 2025 6.500 2026 6.500 2027 6.500 2028 6.500 2029 6.500