Okay so Rocket has said that the loot table needs balancing. I think that the best way to get an idea for how to improve it would be by using a survey that follows the formula outlined below.
The first question should be "How many hours have you spent playing DayZ?" this can be used to eliminate statistical anomalies (people who've only played for 15 mins will not have found as much loot as people who've played for 12 hours).
The following questions should take this formula:
Q: How often have you found [insert loot category here (e.g: melee weapons, clothing items)]?
A: [A range of options from 'never found any' to 'I often find this item']
Q: How badly do you need [insert loot category here]?
A: [A range of options from 'can't play without it' to 'don't bother picking it up']
I don't know how to set up such a survey, but I'd imagine it would give some useful data for the devs to take into account when trying to balance the loot. If for example a certain item was often found, but never needed it could be changed.
I don't mean to suggest that DayZ should give us exactly what we need everywhere, all the time, but using such a survey might give an idea of how to balance the loot based upon users experience.