Table 4.  Percent Distribution of the Receipts, Benefits, and Withdrawals of Major Public
          Employee - Retirement Systems: Quarter Ending Dec 31, 2006 and Prior Periods
          (Because of rounding, detail may not add to totals.  r = revised from
          previously published amounts.)


                        Total      Government     Earnings on     Employee      Total
Date                   Receipts   Contributions   Investments   Contributions  Payments  Benefits  Withdrawals

Dec 31, 2006             100.0         13.9           79.0            7.1        100.0      97.2        2.8
Sept 30, 2006            100.0         18.9           71.7            9.3        100.0      96.8        3.2
June 30, 2006            100.0         27.4           56.4           16.2        100.0      97.0        3.0
March 31, 2006           100.0         13.9           77.8            8.2        100.0      97.2        2.8

Dec 31, 2005             100.0         24.0           63.1           12.9        100.0      96.5        3.5
Sept 30, 2005            100.0         20.0           69.0           11.0        100.0      96.5        3.5
June 30, 2005            100.0         19.2           69.6           11.2        100.0      97.0        3.0
March 31, 2005           100.0         20.0           68.7           11.4        100.0      96.8        3.2

Dec 31, 2004             100.0         13.4           79.6            7.0        100.0      96.8        3.2
Sept 30, 2004            100.0         34.6           44.4           21.0        100.0      96.0        4.0
June 30, 2004            100.0         32.4           48.0           19.6        100.0      95.9        4.1
March 31, 2004           100.0         17.3           70.9           11.8        100.0      96.8        3.2

Dec 31, 2003             100.0         14.2           77.0            8.8        100.0      96.7        3.3
Sept 30, 2003            100.0         29.6           58.2           12.2        100.0      96.6        3.4
June 30, 2003            100.0         11.5           80.4            8.1        100.0      96.5        3.5
March 31, 2003           100.0         69.7          -20.3           50.6        100.0      96.5        3.5

Dec 31, 2002             100.0         32.1           45.9           22.0        100.0      96.4        3.6
Sept 30, 2002            100.0        -81.4          253.3          -71.9        100.0      96.4        3.6
June 30, 2002            100.0         40.6           25.2           34.2        100.0      96.4        3.6
March 31, 2002           100.0         25.4           55.1           19.5        100.0      96.3        3.7

Dec 31, 2001             100.0         21.0           64.0           15.1        100.0      95.6        4.4
Sept 30, 2001            100.0        128.5         -111.3           82.8        100.0      96.0        4.0
June 30, 2001            100.0         18.0           68.2           13.8        100.0      95.8        4.2
March 31, 2001           100.0         23.4           59.7           16.9        100.0      95.5        4.5