| (: insert-start :) | |
| declare variable $input-context external; | |
| (: insert-end :) | |
| <result> | |
| { | |
| let $end_dates := $input-context//item_tuple/end_date | |
| for $m in distinct-values(for $e in $end_dates | |
| return month-from-date($e)) | |
| let $item := $input-context | |
| //item_tuple[year-from-date(end_date) = 1999 | |
| and month-from-date(end_date) = $m] | |
| order by $m | |
| return | |
| <monthly_result> | |
| <month>{ $m }</month> | |
| <item_count>{ count($item) }</item_count> | |
| </monthly_result> | |
| } | |
| </result> |