<Dd> from 1991 to 1992 its levels of consumption and production of the controlled substances in Group I of Annex A do not exceed 150 percent of its calculated levels of production and consumption of those substances in 1986; </Dd> <Dl> <Dd> from 1994 its calculated level of consumption and production of the controlled substances in Group I of Annex A does not exceed, annually, twenty - five percent of its calculated level of consumption and production in 1986 . </Dd> </Dl> <Dd> from 1994 its calculated level of consumption and production of the controlled substances in Group I of Annex A does not exceed, annually, twenty - five percent of its calculated level of consumption and production in 1986 . </Dd> <Dl> <Dd> from 1996 its calculated level of consumption and production of the controlled substances in Group I of Annex A does not exceed zero . </Dd> </Dl>

The results of the montreal protocol of 1987 include which of the following