* from 1/01 to 06/04 and from 01/11 to 31/12
** from 1/04 to 31/05 and from 01/10 to31/10
*** from 01/06 to 30/09
* from 1/01 to 06/04 and from 01/11 to 31/12
** from 1/04 to 31/05 and from 01/10 to31/10
*** from 01/06 to 30/09
* from 1/01 to 06/04 and from 01/11 to 31/12
** from 1/04 to 31/05 and from 01/10 to31/10
*** from 01/06 to 30/09











