agegrp,count,population,IR
<5,1491,19694165,7.570770327
5&#65533;9,964,20353556,4.736273111
10&#65533;14,728,20981032,3.469800723
15&#65533;19,908,21256186,4.27169766
20&#65533;24,1062,21849425,4.860539808
25&#65533;29,1291,23728941,5.440613637
30&#65533;34,1145,22616546,5.062665183
35&#65533;39,1040,21927023,4.743005925
40&#65533;44,734,20120504,3.64801995
45&#65533;49,680,20601903,3.300665963
50&#65533;54,638,20689054,3.08375627
55&#65533;59,737,22096687,3.335341628
60&#65533;64,644,20780276,3.09909262
65&#65533;69,580,17644934,3.287062451
70&#65533;74,487,14204989,3.428372947
75&#65533;79,353,9783991,3.607934635
80&#65533;84,245,6407851,3.823434721
85,197,6696154,2.941987296