Participant Date    Days from Start
ca002   01/01/1983  0
ca002   10/05/1984  495
ca002   01/01/1986  1096
ca002   01/01/1986  1096
ca002   29/12/1999  6206
ca002   21/03/2001  6654
ca002   31/12/2004  8035
ca004   01/01/1967  0
ca004   01/01/1972  1826
ca004   01/01/1989  8036
ca004   01/01/2006  14245
ca004   01/01/2006  14245