Yes. I want to add a little bit on the clean technology side, which includes renewable energy and energy efficiency companies and all that.
There is a lot of R and D happening. The latest report by Analytica Advisors estimated that the industry is worth about $9 billion, and they're investing almost $1 billion in R and D, which is about 11%, so there are some pockets of these industries that are still quite active on the R and D side.