Credit: New Zealand Police
Participants were asked to report the age at which they had first tried each drug. The responses, expressed as a proportion of the number of respondents who reported ever having used each drug type, are summarised in Figure 29. The number of respondents reporting having ever used each drug is contained in parentheses following each drug name on the horizontal axis.
Figure 28: Number of Drugs Ever Used (n=965)
http://www.police.govt.nz/resources/2007/nzadam-annual-report/nzadam-annual-report-2006.html