1999	1998	1997	1996	1995	1994	1993	1992
January	January	January	January	January	(missing)	(missing)	January
February	February	February	February	February	(missing)	February	February
March	March	March	March	March	(missing)	March	March
April	April	April	April	April	April	April	April
May	May	May	May	May	May	May	May
June	June	June	June	June	June	June	June
July	July	July	July	July	July	July	July
August	August	August	August	August	August	August	August
September	September	September	September	September	September	September	September
October	October	October	October	October	October	October	October
November	November	November	November	November	November	November	November
December	December	December	December	December	December	December	December