i quote my example ORD may2003:
Low-key ICT
6days in May2004 (For work year 01Apr04 - 31Mar05)
4days in Dec2005 (For work year 01Apr05 - 31Mar06)
5days in Jun2006 (For work year 01Apr06 - 31Mar07)
High-key ICT
12days in Mar2008 (For work year 01Apr07 - 31Mar08)
12days in Mar2009 (For work year 01Apr08 - 31Mar09)
12days in Mar2010 (For work year 01Apr09 - 31Mar10)
22days in Mar2011 (For work year 01Apr10 - 31Mar11)
9days in Oct2011 (For work year 01Apr11 - 31Mar12)
10days in Nov2012 (For work year 01Apr12 - 31Mar13)
--------------------------------------------------------------
xxxx in xxxxxx2013 (For work year 01Apr13 - 31Mar14) and MR (Last 10th Cycle ICT)
so for my case: I completed 3 LK ICT + 6 HK ICT in 9 work year!!
if you notice that, I do 2 HK ICT in 2011 alone (see red color), but is consider 2 HK ICT in 2 different work year!!!!
So I will complete my 10th cycle by next year which is also the 10th work year.......so I can MR officially!!!!

MR mean no more IPPT/RT/ICT/manning...etc