SCHEDULE 13D/A

CUSIP No: 464288778

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

02/12/2007	4,384	52.30
02/14/2007	400	52.96
02/15/2007	85	53.03
02/16/2007	380	53.15
02/20/2007	125	53.43
02/21/2007	14,020	53.20
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