Output:

Diff in month between 30/06/1996 and 
08/07/97 : 13
09/05/97 : 14
12/11/97 : 17
03/26/98 : 20
07/17/98 : 24
10/23/98 : 27
11/12/98 : 28
01/14/99 : 30
04/10/99 : 33
05/27/99 : 34
02/10/00 : 43
03/10/00 : 44
03/15/00 : 44
03/15/00 : 44
03/30/00 : 45
06/15/00 : 47
07/13/00 : 48
08/03/00 : 49
09/07/00 : 50
09/30/00 : 51
12/10/00 : 53
01/25/01 : 54
02/27/01 : 55