COPAS Rates

Coryell County Courthouse, Gatesville, Texas

COPAS Overhead Rates

The adjustment factors are computed by the Council of Petroleum Accountants Societies. The new adjustment rate is effective on April 1st of each year.

Year	Rate Adjustment
1962	base year
1963	+1.6%
1964	+3.9%
1965	+0.8%
1966	+2.2%
1967	+3.6%
1968	+5.4%
1969	+1.9%
1970	+7.0%
1971	+5.9%
1972	+8.9%
1973	+7.5%
1974	+5.2%
1975	+16.7%
1976	+10.3%
1977	+10.5%
1978	+10.3%
1979	+11.0%
1980	+9.3%
1981	+9.3%
1982	+13.0%
1983	+9.9%
1984	+5.9%
1985	+2.7%
1986	+4.4%
1987	+4.5%
1988	-1.4%
1989	+3.3%
1990	+8.1%
1991	+7.2%
1992	+1.5%
1993	-1.1%
1994	+4.8%
1995	+4.4%
1996	+4.1%
1997	+2.0%
1998	+10.3%
1999	+5.8%
2000	-.5%
2001	+6.0%
2002	-1.9%
2003	-3.1%
2004	+2.3%
2005	+3.5%
2006	+5.1%
2007	+6.4%
2008	+7.7%