ANZAC work

Rank	How Many	Age	How Many
Lieutenant colonel	3	20	3
Majors	2	21	3
Lieutenant	4	23	1
Serjeant	8	24	2
Corporal	8	25	27
Serjeant Major	2	26	2
Lance Serjeant	1	27	2
Lance Corporal	6	28	2
Privates	133	29	3
		30	1
		31	1
		32	2
		35	1
		36	2
		37	1
		38	1
		44	1
Questions and wonderings	Did they have different jobs if they were a different rank?  Are there more ranks and what are they?  Have any of the ranks change?Why would there be so many private?	Questions and wonderings	Why is there not that much 40 year-olds?  How did so many 25 year-olds die?