No later than December 31, 2009, and every ten (10) years thereafter, the County shall hold a public hearing to consider public input regarding the continued need for the tax collected pursuant to RCW 67.28.181. After the public hearing, the Board of Commissioners shall determine whether to continue collecting the tax or proceed to repeal the tax. The Board of Commissioners shall consider, among other things, whether there is a continued need for funding of projects eligible under State statutes and this chapter, whether alternative funding sources exist and are adequate, whether any or all of the revenue is used for payment of debt service, and whether projects funded in the past have served their intended purpose.