There were errors in Figures 3, 4 and 6 in the paper by S. Doyle (Reference Shane2008) for which the author and editors apologize. During the transfer of the graphs between different programs, the software automatically reconfigured the y axes so that the totals appeared in numerical rather than percentage format. This resulted in the name category totals being represented as, for example, 0·1, 0·2, 0·3 rather than 10%, 20%, 30%, etc. The correct version of Figures 3, 4 and 6 are given below.
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