Your first error starts with the ca.gov address. The land of fruits and nuts, and gubmint cpas with creative writing classes.
Feel free to supply better data sources.
The Wall St Journal says it’s about 0.6%
http://online.wsj.com/article/SB10001424127887323699704578328581251122150.html
As we used to say at work, without data you are just another manager with an opinion.