Bond Ratings

Bond Rating Comparison by Source


Date Moody's Rating S&P
Rating
1999 Aa3 AA-
2002 Aa3 AA
2004 Aa3 AA
2005 Aa3 AA
2007 Aa3 AA
2010 Aa1 AA+
2013 Aa1 AA+
2014
AAA
2016 Aa1 AAA