Drop out rates for Boston Schools

Here is the data as reported by the state:

1991 10.7%
1992 9.6%
1993 8.5%/7.6% (note - reports show two different numbers - possibly revised or different methodology)
1994 8.0%/7.5% (note - same as above - for all following if numbers conflict I only report latest available)
1995 8.1%
1996 7.2%
1997 8.4%
1998 8.7%
1999 9.9%
2000 9.4%
2001 8.5%
2002 7.0%
2003 7.7%
2004 8.3%
2005 7.7%
2006 9.9%
2007 8.9%
2008 7.6%
2009 not yet available

Based on the mayor's numbers of an average 12.7% from 1980 to 1983, it appears that there was a decline already underway from 1991 to 1993 and we have essentially stagnated since the time the mayor has come into office (I get 8.275 when I average these - comparable to the mayor's numbers).