| Symbol | Date | Installment |
22 June 2001 | First Instalment | |
3 October 2002 | Second Instalment | |
18 December 2003 | Third Instalment | |
9 December 2004 | Fourth Instalment, part one | |
9 December 2004 | Fourth Instalment, part two | |
30 June 2005 | Fifth instalment |
| Symbol | Date | Installment |
22 June 2001 | First Instalment | |
3 October 2002 | Second Instalment | |
18 December 2003 | Third Instalment | |
9 December 2004 | Fourth Instalment, part one | |
9 December 2004 | Fourth Instalment, part two | |
30 June 2005 | Fifth instalment |