Table:
text: Vehicle registration plates of Arizona
Passenger baseplates
1956 to present
First_issued Design Slogan Serial_format Serials_issued Notes_
1955 White embossed digits with white border on black background; ARIZONA and last two digits of registration year embossed in white and centered at top between screw holes GRAND CANYON STATE embossed in white and centered at bottom A-12345  Coded by county of issuance.
1958 White embossed digits with white border on blue background; ARIZONA and last two digits of registration year embossed in white and centered at top between screw holes GRAND CANYON STATE embossed in white and centered at bottom ABC-123 AAA-001 to BZZ-999 

text: Vehicle registration plates of Arizona
Passenger baseplates
1956 to present
First_issued Design Slogan Serial_format Serials_issued Notes_
1960 Blue embossed digits with blue border on white background; ARIZONA and last two digits of registration year embossed in blue and centered at top between screw holes GRAND CANYON STATE embossed in blue and centered at bottom ABC-123 CAA-001 to DZZ-999 
1963 White embossed digits with white border on blue background; ARIZONA and last two digits of registration year embossed in white and centered at top between screw holes GRAND CANYON STATE embossed in white and centered at bottom ABC-123 EAA-001 to FZZ-999 
1965 Black embossed digits with black border on white background; ARIZONA and last two digits of registration year embossed in black and centered at top between screw holes GRAND CANYON STATE embossed in black and centered at bottom ABC-123 HAA-001 to JZZ-999 

text: Vehicle registration plates of Arizona
Passenger baseplates
1956 to present
First_issued Design Slogan Serial_format Serials_issued Notes_
1968 Black embossed digits with black border on yellow background; ARIZONA and last two digits of registration year embossed in black and centered at top between screw holes GRAND CANYON STATE embossed in black and centered at bottom ABC-123 KAA-001 to NZZ-999 
1972 Green embossed digits with green border on pale orange background; ARIZONA and last two digits of registration year embossed in green and centered at top between screw holes GRAND CANYON STATE embossed in green and centered at bottom ABC-123 PAA-001 to WZZ-999 
1980 White embossed digits with white embossed border on maroon background, with white embossed saguaro cactus dividing the letters and numbers; ARIZONA embossed in white and centered at top GRAND CANYON STATE embossed in white and centered at bottom ABC-123 AAA-001 to NZZ-999 

text: Vehicle registration plates of Arizona
Passenger baseplates
1956 to present
First_issued Design Slogan Serial_format Serials_issued Notes_
1996 Dark green embossed digits on screened background of purple mountains and cacti with white setting sun and sky fading from orange to white to turquoise at top; ARIZONA in wide plain dark green letters outlined in white and centered at top GRAND CANYON STATE in dark green thin plain letters at bottom right in orange part of screen 123·ABC 101·AAA to 999·ZZZ Awarded Plate of the Year for best new license plate of 1996 by the Automobile License Plate Collectors Association, the first time Arizona has been so honored.
2008 Dark green screened digits on screened background of purple mountains and cacti with white setting sun and sky fading from orange to white to turquoise at top; ARIZONA in wide plain dark green letters outlined in white and centered at top; security stripe through center of plate GRAND CANYON STATE in dark green thin plain letters at bottom right in orange part of screen ABC1234 AAA0001 to present

Question: From the list of Arizona license plates, what year was the first Arizona license plate made?

Question: What is the Average Serial Format of Arizona License Plates in Arizona License Plates?