1999 IMRF Comprehensive Annual Financial Report

Table IVAverage employer contribution ratesLast five yearsPriorSupplementalCalendar Normal Service Disability RetirementYear Cost Cost and Death Benefit TotalActuarial SectionRegular Members1997 7.27% 1.32% 0.40% 0.62% 9.61%1998** 7.21% 1.36% 0.45% 0.62% 9.64%1999 7.23% 0.99% 0.35% 0.62% 9.19%2000* 7.17% 0.02% 0.35% 0.62% 8.16%2001** 7.41% -1.75% 0.36% 0.62% 6.64%Sheriff’s Law Enforcement Personnel Members (SLEP)1997 9.32% 1.09% 0.40% 0.62% 11.43%1998** 10.22% 2.65% 0.45% 0.62% 13.94%1999 10.62% 2.43% 0.35% 0.62% 14.02%2000* 10.42% 2.89% 0.35% 0.62% 14.28%2001** 12.02% 1.85% 0.37% 0.62% 14.86%Elected County Official Members (ECO)1999 21.48% 13.56% 0.35% 0.62% 36.01%2000* 23.39% 17.03% 0.34% 0.62% 41.38%2001** 23.85% 17.75% 0.36% 0.62% 42.58%The optional Elected County Officials Plan began in 1997. The 1999 rates, which are based on 1997 data, are the firstexperience based rates.* The method of computing average rates was changed for 2000 from a population weighted method to a pay weightedmethod.** Assumptions changed due to experience study.Table VParticipating member contribution ratesLast ten yearsCalendar Regular IMRF Sheriff’s Law Enforcement Personnel Elected County OfficialsYear Normal Survivor Total Normal Survivor SLEP Total Normal Survivor ECO Total1990 3.75% 0.75% 4.50% 3.75% 0.75% 2.00% 6.50%1991 3.75% 0.75% 4.50% 3.75% 0.75% 2.00% 6.50%1992 3.75% 0.75% 4.50% 3.75% 0.75% 2.00% 6.50%1993 3.75% 0.75% 4.50% 3.75% 0.75% 2.00% 6.50%1994 3.75% 0.75% 4.50% 3.75% 0.75% 2.00% 6.50%1995 3.75% 0.75% 4.50% 3.75% 0.75% 2.00% 6.50%1996 3.75% 0.75% 4.50% 3.75% 0.75% 2.00% 6.50%1997** 3.75% 0.75% 4.50% 3.75% 0.75% 2.00% 6.50% 3.75% 0.75% 3.00% 7.50%1998 3.75% 0.75% 4.50% 3.75% 0.75% 2.00% 6.50% 3.75% 0.75% 3.00% 7.50%1999 3.75% 0.75% 4.50% 3.75% 0.75% 2.00% 6.50% 3.75% 0.75% 3.00% 7.50%**The Elected County Officials plan began in 1997.Illinois Municipal Retirement Fund 57