CREATE TABLE table_23619212_1 (_percentage_of_all_immigrants_2006 VARCHAR, country VARCHAR)

How many different percentages of immigrants in 2006 can there be for Morocco?
SELECT COUNT(_percentage_of_all_immigrants_2006) FROM table_23619212_1 WHERE country = "Morocco"
SELECT COUNT("_percentage_of_all_immigrants_2006") FROM "table_23619212_1" WHERE "Morocco" = "country"