SCHEDULE 13D/A

CUSIP No: 464288778

TRANSACTIONS IN THE SHARES BY THE REPORTING PERSON DURING THE PAST 60 DAYS

03/19/2007	1,495	50.38
03/21/2007	115	51.26
03/22/2007	-300	51.46
03/23/2007	-170	51.29
03/26/2007	2,520	51.09
04/02/2007	1,245	49.64
04/03/2007	5,467	50.43
04/04/2007	-2,725	50.09
04/05/2007	-15,700	49.90
04/09/2007	1,500	49.73
04/12/2007	53	49.44
04/13/2007	1,600	49.54
04/16/2007	210	50.48
04/17/2007	430	50.41