Hospital Information: Outpatient Cost to Charge Ratio - History
| Ratio | Effective Date |
| 028.22% | 2/1/2013 |
| 029.34% | 1/1/2013 |
| 028.60% | 10/1/2012 |
| 029.02% | 2/15/2012 |
| 030.77% | 1/1/2012 |
| 029.87% | 1/3/2011 |
| 027.74% | 1/1/2010 |
| 029.35% | 7/15/2009 |
| 031.69% | 4/1/2009 |
| 033.04% | 1/1/2009 |
| 033.04% | 11/15/2008 |
| 034.69% | 1/1/2008 |
| 039.40% | 5/15/2007 |
| 041.15% | 1/1/2007 |
| 043.78% | 11/1/2006 |
| 044.33% | 1/1/2006 |
| 050.00% | 1/1/2005 |
| 061.92% | 1/1/2004 |
| 064.65% | 1/1/2003 |
| 079.51% | 1/1/2002 |
| 076.91% | 1/1/2000 |
| 089.80% | 1/1/1999 |
| 094.20% | 1/1/1998 |
| 089.24% | 1/1/1997 |
| 092.91% | 1/1/1996 |
| 080.48% | 1/1/1995 |
| 095.60% | 1/1/1994 |
| 095.60% | 1/1/1993 |
| 089.00% | 1/1/1992 |
| 096.00% | 7/1/1991 |
| 100.00% | 11/1/1989 |