Here is the data adjusted for constant 2020 dollars:
1992 $9,799.06
1993 $9,543.99
1994 $9,760.55
1995 $9,924.05
1996 $9,825.29
1997 $10,106.90
1998 $10,473.38
1999 $10,712.59
2000 $10,506.40
2001 $11,055.55
2002 $11,121.33
2003 $10,997.04
2004 $10,800.20
2005 $11,497.24
2006 $12,317.69
2007 $12,262.90
2008 $12,447.28
2009 $11,989.00
2010 $11,503.97
2011 $11,187.78
2012 $11,070.20
2013 $11,114.82
2014 $11,481.16
2015 $11,670.71
2016 $11,844.36
2017 $12,399.22
2018 $12,015.43
2019 $12,190.00