Как вывести все названия месяцев в запросе

SELECT Choose(MONTH([дата_выполнения]),"Январь","Февраль","Март","Апрель","Май","Июнь","Июль","Август","Сентябрь","Октябрь","Ноябрь","Декабрь") AS Месяц, COUNT(Заказы.Код_заказа) AS Количество
FROM Заказы
GROUP BY Choose(MONTH([дата_выполнения]),"Январь","Февраль","Март","Апрель","Май","Июнь","Июль","Август","Сентябрь","Октябрь","Ноябрь","Декабрь");

SELECT monthname(n) AS Месяц, nz(-SUM(MONTH([дата_выполнения])=q.n),0) AS Количество
FROM Заказы, 
(SELECT top 1 1 AS n FROM msysobjects UNION ALL
SELECT top 1 2 AS n FROM msysobjects UNION ALL
SELECT top 1 3 AS n FROM msysobjects UNION ALL
SELECT top 1 4 AS n FROM msysobjects UNION ALL
SELECT top 1 5 AS n FROM msysobjects UNION ALL
SELECT top 1 6 AS n FROM msysobjects UNION ALL
SELECT top 1 7 AS n FROM msysobjects UNION ALL
SELECT top 1 8 AS n FROM msysobjects UNION ALL
SELECT top 1 9 AS n FROM msysobjects UNION ALL
SELECT top 1 10 AS n FROM msysobjects UNION ALL
SELECT top 1 11 AS n FROM msysobjects UNION ALL
SELECT top 1 12 AS n FROM msysobjects) AS q,
q LEFT JOIN Заказы ON q.n=MONTH(Заказы.[дата_выполнения])
GROUP BY q.n