Wow. I was secretly trying to get you to find an answer to one of Keith Rabois questions on quora. I forgot he qualified it as post 1999. Can you do that too?
National Instruments is an amazing company...I was fortunate to get to use their products on some projects as a teenager.
The first few hires often happen before VC funding is raised, right? And 2-3% for the first few employees isn't unusual amongst companies that later raise VC funding and make it big.