Page 77 - BAA CAFR 2017

BIRMINGHAM AIRPORT AUTHORITY
REQUIRED SUPPLEMENTARY INFORMATION (Unaudited)
Last 10 Fiscal Years (1)

Schedules of Employer Contributions – Pension Plan

2017 2016 2015

Actuarially determined contribution* $ 30,564,212 $ 29,898,918 $ 30,398,187
Contributions in relation to the actuarially
determined contributions 16,554,808 16,370,100 14,464,552
Contribution deficiency (excess) 14,009,404 13,528,818 15,933,635

Covered employee payroll** 200,441,743 197,758,400 188,116,077

Contributions as a percentage of covered
employee payroll 8.26% 8.28% 7.69%

(1) Information in this schedule is presented for the year in which the information is available. Information will
be added each year until a full 10-year trend is presented.

Notes to the schedule:

*The actuarially determined contribution is equal to the total calculated
contribution in the most recent actuarial valuation, minus the portion expected to
be covered by employee contributions.

**Payroll is estimated based on the actual employee contributions received and a
7.00% contribution rate.

Notes:
Valuation date: Actuarially determined contribution rates are calculated using a
July valuation date as of the beginning of the fiscal year in which contributions are
reported.