I saw a story that said the Florida SYG law went into effect in October of 2005. Do you recall where you got the date that you used?
I imagine it was too late in the year for the law to have much impact in the 2005 statistics. The first case was when James Behanna fatally stabbed a man in the heart with a pocketknife on Dec. 7, 2005. However, he was convicted and sentenced to prison, then conviction overturned and he was given 42 months of probation.
It was legally a very messy affair.
http://www.tampabay.com/news/courts/criminal/article1086002.ece
However, by 2006, enough SYG cases were happening to obviously figure into the stats.
To avoid confusion, I should have moved that “SYG came into effect” up a year.