6) These are the collections from a state liquor excise tax for a number of years. There have been no changes in the structure or administration of the tax in that period of time. Collections are in thousands of dollars, and fiscal years end on June 30. Your job is to forecast collections for fiscal years 2017 and 2018. It is a minor source of revenue to the state, so use of causal economic modeling is not likely to be seen as worthwhile.

2006: 144,990

2007: 153,831

2008: 162,083

2009: 170,469

2010: 193,181

2011: 195,179

2012: 212,501

2013: 223,036

2014: 239,494

2015: 245,693

Please explain your answer. I am very confused on this.