Trend Data from 1999 to 2008

To view survey results for each year broken down by plan type see the following charts:

• 2009 Trend Survey Results
• 2008 Trend Survey Results
• 2007 Trend Survey Results
• 2006 Trend Survey Results
• 2005 Trend Survey Results
• 2004 Trend Survey Results
• 2003 Trend Survey Results
• 2002 Trend Survey Results
• 2001 Trend Survey Results
• 2000 Trend Survey Results
• 1999 Trend Survey Results