#Count between 1/1/1984 and 1/6/1988
 Age Prev(1) N(1) N Age Prev(2) N(2) N
 70 1.00000 631 631 70 0.00000 0 631
 71 0.99681 625 627 71 0.00319 2 627
 72 0.97125 1115 1148 72 0.02875 33 1148
 73 0.96084 1055 1098 73 0.03916 43 1098
 74 0.95511 1085 1136 74 0.04489 51 1136
 75 0.96046 996 1037 75 0.03954 41 1037
 76 0.93398 962 1030 76 0.06602 68 1030
 77 0.93492 862 922 77 0.06508 60 922
 78 0.93088 808 868 78 0.06912 60 868
 79 0.89770 702 782 79 0.10230 80 782
 80 0.90814 692 762 80 0.09186 70 762
 81 0.88921 610 686 81 0.11079 76 686
 82 0.88629 569 642 82 0.11371 73 642
 83 0.89539 505 564 83 0.10461 59 564
 84 0.84241 433 514 84 0.15759 81 514
 85 0.84327 382 453 85 0.15673 71 453
 86 0.83088 339 408 86 0.16912 69 408
 87 0.73407 265 361 87 0.26593 96 361
 88 0.66323 193 291 88 0.33677 98 291
 89 0.58594 150 256 89 0.41406 106 256
 90 0.56604 120 212 90 0.43396 92 212
 91 0.57576 95 165 91 0.42424 70 165
 92 0.50370 68 135 92 0.49630 67 135
 93 0.51579 49 95 93 0.48421 46 95
 94 0.44318 39 88 94 0.55682 49 88
 95 0.37500 21 56 95 0.62500 35 56
 96 0.31818 14 44 96 0.68182 30 44
 97 0.29630 8 27 97 0.70370 19 27
 98 0.15385 2 13 98 0.84615 11 13
 99 0.20000 2 10 99 0.80000 8 10
 100 0.40000 2 5 100 0.60000 3 5
 101 NaNq 0 0 101 NaNq 0 0
 102 NaNq 0 0 102 NaNq 0 0