I have a table of projects (rows) with monthly workload in columns e.g. 2015-06, 2015-07, etc. Each time I run the report, I only want to include fields for the current month and the following 5 months i.e. 2015-06 to 2015-11. I have got as far as asking for the parameters 'Current Year' and 'Current Month', but I don't know how then to apply these parameter values to select the appropriate field as the starting point e.g. 'Current Year' = 2015 and 'Current Month' = 06, so select field '2015-06' and then select the next field using 'Current Month' + 1 e.g. 2015-07, etc.?