------------------------------------------------------------------------------- Summarized Summarized Actuarial Change from Year of report income rate cost rate balance previous year ------------------------------------------------------------------------------- 1986................... 12.96 13.40 -.44 -.03 1987................... 12.89 13.51 -.62 -.18 1988................... 12.94 13.52 -.58 +.04 1989................... 13.02 13.72 -.70 -.13 1990................... 13.04 13.95 -.91 -.21 1991................... 13.11 14.19 -1.08 -.17 1992................... 13.16 14.63 -1.46 -.38 1993................... 13.21 14.67 -1.46 -.00 1994................... 13.24 15.37 -2.13 -.66 1995................... 13.27 15.44 -2.17 -.04 1996................... 13.33 15.52 -2.19 -.02 ------------------------------------------------------------------------------- 1/ Values shown are based on the intermediate alternative II assumptions for 1991-96, and on the intermediate alternative II-B assumptions for 1986-90. Note: Totals do not necessarily equal the sums of rounded components.
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