@ebf Looking at the OZ trend it was and has been clearly declining, so in 1996 there was a small extra dip, then back to long term trend. So really the claim that the 1996 ban achieved a great deal is questionable to say the least in fact its probably negligable.
The thing to do here is look at the actual stats for those 2 or 3 years and determine why. So for instance if the decrease deaths were 90% attributed to suicide by gun but those ppl topped themselves by another method anyway they are still dead just not in the stats for guns "being responsible", ergo the law appears to may have achieved nothing.
The other stat is to put up NZ deaths over the same period to see if there is a correlation, even look at the state of the economy might reveal something. Once done of course it cant be un-done.
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In fact if you take 87, 88 and 89 and trend it the decline is pretty close the the 1996-99 ban drop, so what happened in those 3 years?
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