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%
 
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