Answer 1: For those covered under the Mid-America Regional Bargaining Association (MARBA) Agreement:
Effective June 1, 2000, the contribution rate was $1.50 per hour.
Effective June 1, 2001, the contribution rate changed to $1.90 per hour.
Effective June 1, 2002, the contribution rate changed to $1.50 per hour.
Effective June 1, 2005, the contribution rate changed to $1.90 per hour.
Effective June 1, 2006, the contribution rate changed to $2.00 per hour.
Effective June 1, 2007, the contribution rate changed to $2.20 per hour.
Effective June 1, 2008, the contribution rate changed to $2.50 per hour.
Effective July 1, 2010, the contribution rate changed to $1.00 per hour.
For those covered under the Residential Construction Employers Council (RCEC) Agreement:
Effective July 1, 2000 the contribution rate was $1.50 per hour.
Effective October 1, 2001, the contribution rate changed to $1.90 per hour.
Effective October 1, 2002, the contribution rate changed to $1.50 per hour.
Effective October 1, 2005, the contribution rate changed to $1.90 per hour.
Effective October 1, 2006, the contribution rate changed to $2.00 per hour.
Effective October 1, 2007, the contribution rate changed to $2.20 per hour.
Effective October 1, 2008, the contribution rate changed to $2.50 per hour.