user: Question: How many different percentages of immigrants in 2006 can there be for Morocco?
Columns: ['Country', '% of all immigrants 2008', '% of all immigrants 2007', '% of all immigrants 2006', '% of all immigrants 2005', '% of all immigrants 2004']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Algeria', '11.2%', '12.0%', '14.1%', '14.0%', '15.2%']
SQL:

assistant: SELECT COUNT("% of all immigrants 2006") FROM "Table" WHERE "Country" = 'Morocco';