CREATE TABLE table_22535 ("Ethnic Group" TEXT, "2001  ( % ) " TEXT, "2001  ( people ) " TEXT, "2006  ( % ) " TEXT, "2006  ( people ) " FLOAT)

What was the percentage in 2006 when in 2001 was 66.9 %?
SELECT "2006 (%)" FROM table_22535 WHERE "2001 (%)" = '66.9'
SELECT "2006 (%)" FROM "table_22535" WHERE "2001 (%)" = '66.9'