Your choice : Stamps by type -> Proof

Year of stamps of Proof	Quantity
Proof:Proof (From 1969 till 1972)	2
Proof:Proof (From 1981 till 1984)	4
Proof:Proof (From 1985 till 1988)	3
Proof:Proof (From 1989 till 1992)	4
Proof:Proof (From 1993 till 1996)	14
Proof:Proof (From 1997 till 2000)	7
Proof:Proof (From 2001 till 2004)	1
Proof:Proof (From 2005 till 2008)	2
Proof:Proof (From 2009 till 2012)	11