CREATE TABLE table_18887 ("Region/country" TEXT, "1985-1990" TEXT, "1990-1995" TEXT, "1995-2000" TEXT, "2000-2005" TEXT)

what's the 2000-2005 with 1985-1990 being 3.78
SELECT "2000-2005" FROM table_18887 WHERE "1985-1990" = '3.78'
SELECT "2000-2005" FROM "table_18887" WHERE "1985-1990" = '3.78'