2.6 4.2 puerto rico 1992 8.3 0.0 4.2 united kingdom 1999 6.5 1.8 4.2 republic of moldova 2002 7.1 1.1 4.1 china* 1999 3.2 4.8 4.0 slovakia 2002 5.8 1.9 3.9 chile 1994 6.2 1.3 3.8 mexico 1995 5.1 2.3 3.7 spain 2000 5.3 1.4 3.4 panama 1987 4.6 1.6 3.1 albania 2001 2.8 3.3 3.0 dominican republic 1985 2.7 3.2 2.9 italy 2000 3.6 1.7 2.7 macedonia 2000 1.2 3.7 2.4 tajikistan 1999 3.3 0.9 2.1 portugal 2000 2.6 0.9 1.8 greece 1999 2.7 0.6 1.7 peru 1983 1.3 0.7 1.0 information taken from world psychiatry, the official journal of the world psychiatric association. numbers are per 100,000.