7% have taken mephedrone, GBH/GBL and/or crystal meth in the past four weeks.A third of sexually active gay men had unprotected anal sex with at least one non-steady partner in the past 12 months.But a quarter of gay and bi men had never had an HIV test.55% have tested in the past 12 months, up from 36% in 2010.77% of gay and bisexual men have been tested for HIV, up from 72% in 2010.