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1983 – 1985
1985 – 1987
1987 – 1991
1991 – 1997
1997 – 2001
2001 – 2007
In May 2001, read 1983-1985 font version, horizontal and rainbow 6 colors vertical background.
2007 – Present
On September 15, 2007, the font was different, the heart was middle in rainbow 3 colors vertical, and remove rainbow background and rainbow 4 colors horizontal text.