name varchar(20),
age int
)

INSERT INTO person VALUES
('temp',9),
('temp',10),
('temp',53),
('temp',23),
('temp',12),
('temp',42),
('temp',25),
('temp',28),
('temp',52),
('temp',60),
('temp',72),
('temp',61),
('temp',58),
('temp',73),
('temp',12),
('temp',42)

DECLARE @low int = 0
DECLARE @t TABLE(ageRange varchar(10), amount int)

WHILE @low < (SELECT MAX(age) FROM person)
BEGIN
	INSERT INTO @t
		SELECT CAST(@low AS CHAR(2))+' - '+CAST(@low+9 AS char(2)), COUNT(*)
		FROM person
		WHERE age BETWEEN @low AND @low+9
	SET @low = @low+10
END
SELECT * FROM @t WHERE amount > 0