0HR_PY_REC_51 selection issue

Hi,

Extractor 0HR_PY_REC_51 is not taking the selection value.

It has selection as below:

BIWMONTH     <Range>          Calendar Year/Month

PERNR            <Range>          Personnel Number

I want to see the data for April 2013 to March 2014. For that I tried with below different selection parameter:

1) 201304 to 201403

2) 04.2013 to 03.2014

3) 042013 to 032014

But it brings data from beginning since system setup.

Same thing is happening when I am trying to pull the data from Infopackage. It brings whole data.

Please advice how should I enter the selection value to get the required data.

Thanks and Regards,

Niranjan