In February of each year, the Transportation Economic Analysis group requests an extract of summed totals, and percentages, broken down by operational type.
They normally forward a copy of the last spreadsheet given to them, and a new extract is simply placed into the report below the values for the previous year, and returned to them.
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The code for doing the extract is at :
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However, due to time, and memory issues, its suggested to execute in only 2-3 years intervals, then cut and paste that data into the spreadsheet as it appears.
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