counting data and grouping by week in mysql

[stradfred]

this is my DB table:\[code\] CREATE TABLE IF NOT EXISTS `inspection_report` ( `Inspection_datetime` datetime NOT NULL, `Line` char(5) NOT NULL, `S` int(11) NOT NULL, `A` int(11) NOT NULL, `B` int(11) NOT NULL, `C` int(11) NOT NULL,INSERT INTO `inspection_report` (`Inspection_datetime`,`Line`,`S`, `A`, `B`, `C`) VALUES('2010-09-01 09:08:01','FA 05',0, 0, 0, 0),('2010-09-02 14:24:35','FA 07',0, 0, 1, 0),('2010-09-01 09:08:01','fa 05',0, 1, 1, 0),('2010-09-01 16:24:04','FA 03', 0, 1, 0, 0);\[/code\]I have a lot of data for this table.how do i do if i want show the result like:\[code\]Line 1st week 2nd week 3rd week 4th week 5th week total FA 03 20 32 10 12 35 109 FA 05 12 5 10 10 25 62 FA 07 0 0 1 1 0 2\[/code\]there are a lot of data for a month. i want separate them counting for a week.if there is data that has reached about a week, then the script will automatically count them and share them in the 1st week,2nd week,3rd week,and so on. how do i do that? or are you have any idea? How about using \[code\]YEARweek()\[/code\] command?