First Year of Issue 1962
pairs 1962-1974
"SG" prefix 1962-current

passenger colors 1962-1975

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1962

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1963

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1964

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1965

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1966

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1967

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1968

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1969

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1970

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1971

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1972

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1973
begin "SGx 123" format

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1974

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1975

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1976-1978
passenger stickers used
"SG" and "SGx" format

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1979-2009
State Outline base (same as 1981 passenger)
a block of SG plates did not have the State Outline

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2009-present
same design, flat/screenprinted number

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Truck/Trailer/Bus

1972 white/black "PERMANENT"

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Disabled

Wheelchair logo inside a square on left
"SG" followed by 3 or 4 numbers.
4-digit plates have small embossed logo (motorcycle size)