^macro_use[calendar.cfg] ^context[months;^load[named;months.cfg]] ^var[year;^default[^form[year];^date[%Y]]] ^var[date;^default[^form[date];^date[%Y]-^date[%m]-^date[%d]]]

<^;<^; ^sum[^var[year];-1] <^;<^;	^var[year]	>^;>^; ^sum[^var[year];1] >^;>^;
^macro[show.month;^var[year];01]	^macro[show.month;^var[year];02]	^macro[show.month;^var[year];03]
^macro[show.month;^var[year];04]	^macro[show.month;^var[year];05]	^macro[show.month;^var[year];06]
^macro[show.month;^var[year];07]	^macro[show.month;^var[year];08]	^macro[show.month;^var[year];09]
^macro[show.month;^var[year];10]	^macro[show.month;^var[year];11]	^macro[show.month;^var[year];12]