what is the number of years on the chart?
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col : match | date | venue | opponents | score row 1 : gl-b-1 | 2008.. | [[]] | [[]] | - row 2 : gl-b-2 | 2008.. | [[]] | [[]] | - row 3 : gl-b-3 | 2008.. | [[]] | [[]] | - row 4 : gl-b-4 | 2008.. | [[]] | [[]] | - row 5 : gl-b-5 | 2008.. | [[]] | [[]] | - row 6 : gl-b-6 | 2008.. | [[]] | [[]] | - row 7 : quarterfinals-1 | 2008.. | [[]] | [[]] | - row 8 : quarterfinals-2 | 2008.. | [[]] | [[]] | -
what is the number of years on the chart?
Match Date Venue Opponents Score
GL-B-1 2008.. [[]] [[]] -
GL-B-2 2008.. [[]] [[]] -
GL-B-3 2008.. [[]] [[]] -
GL-B-4 2008.. [[]] [[]] -
GL-B-5 2008.. [[]] [[]] -
GL-B-6 2008.. [[]] [[]] -
Quarterfinals-1 2008.. [[]] [[]] -
Quarterfinals-2 2008.. [[]] [[]] -
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