Index = Jan and value = 31<br>Index = Feb and value = 28<br>Index = Mar and value = 31<br>Index = Apr and value = 30<br>Index = May and value = 31<br>Index = Jun and value = 30<br>Index = Jul and value = 31<br>Index = Aug and value = 31<br>Index = Sep and value = 30<br>Index = Oct and value = 31<br>Index = Nov and value = 30<br>Index = Dec and value = 31<br>