How Many Admins Per User/Computer Have You Seen?

miffo.swe writes "I'm trying to find the normal ratio of technicians/support tech per user or computer in your average IT-shop. When searching around, I can't find that many examples or any statistics. We manage around 900 computers (mostly Windows XP) and 25+ servers (mostly Linux). There are around 2600 users of varying knowledge, mostly pretty low. I can't find any statistics on this, so real-world examples are very welcome since we do this with one sysadmin (me) and two sneaker techs. Are we seriously understaffed, or is this normal?"