Daily Unit Prices 2010-2011 | 2009-2010 | 2008-2009 | 2007-2008 | 2006-2007
| Effective Date | Buy | Sell |
|---|---|---|
| 02 February 2012 | $1.256799 | $1.255543 |
| 01 February 2012 | $1.254899 | $1.253645 |
| 31 January 2012 | $1.252803 | $1.251551 |
| 30 January 2012 | $1.250064 | $1.248814 |
| 27 January 2012 | $1.252617 | $1.251365 |
| 25 January 2012 | $1.247470 | $1.246224 |
| 24 January 2012 | $1.243736 | $1.242492 |
| 23 January 2012 | $1.244495 | $1.243251 |
| 20 January 2012 | $1.244675 | $1.243431 |
| 19 January 2012 | $1.242552 | $1.241310 |
| 18 January 2012 | $1.241924 | $1.240682 |
| 17 January 2012 | $1.242078 | $1.240836 |
| 16 January 2012 | $1.240985 | $1.239745 |
| 13 January 2012 | $1.240787 | $1.239547 |
| 12 January 2012 | $1.241307 | $1.240067 |
| 11 January 2012 | $1.241499 | $1.240259 |
| 10 January 2012 | $1.240193 | $1.238953 |
| 09 January 2012 | $1.240597 | $1.239357 |
| 06 January 2012 | $1.239138 | $1.237900 |
| 05 January 2012 | $1.236694 | $1.235458 |
| 04 January 2012 | $1.233516 | $1.232284 |
| 03 January 2012 | $1.232842 | $1.231610 |
| 30 December 2011 | $1.238941 | $1.237703 |
| 29 December 2011 | $1.238173 | $1.236935 |
| 28 December 2011 | $1.239707 | $1.238467 |
| 23 December 2011 | $1.234521 | $1.233287 |
| 22 December 2011 | $1.236793 | $1.235557 |
| 21 December 2011 | $1.233643 | $1.232409 |
| 20 December 2011 | $1.236071 | $1.234835 |
| 19 December 2011 | $1.236482 | $1.235246 |
| 16 December 2011 | $1.235127 | $1.233893 |
| 15 December 2011 | $1.233684 | $1.232450 |
| 14 December 2011 | $1.230206 | $1.228976 |
| 13 December 2011 | $1.231937 | $1.230705 |
| 12 December 2011 | $1.228380 | $1.227152 |
| 09 December 2011 | $1.225218 | $1.223994 |
| 08 December 2011 | $1.226929 | $1.225703 |
| 07 December 2011 | $1.225598 | $1.224374 |
| 06 December 2011 | $1.221672 | $1.220450 |
| 05 December 2011 | $1.223294 | $1.222072 |
| 02 December 2011 | $1.221895 | $1.220673 |
| 01 December 2011 | $1.219327 | $1.218109 |
| 30 November 2011 | $1.217692 | $1.216474 |
| 29 November 2011 | $1.216592 | $1.215376 |
| 28 November 2011 | $1.218567 | $1.217349 |
| 25 November 2011 | $1.217511 | $1.216295 |
| 24 November 2011 | $1.226198 | $1.224972 |
| 23 November 2011 | $1.229736 | $1.228506 |
| 22 November 2011 | $1.232076 | $1.230844 |
| 21 November 2011 | $1.229330 | $1.228102 |
| 18 November 2011 | $1.230240 | $1.229010 |
| 17 November 2011 | $1.232324 | $1.231092 |
| 16 November 2011 | $1.231122 | $1.229892 |
| 15 November 2011 | $1.229275 | $1.228047 |
| 14 November 2011 | $1.229950 | $1.228720 |
| 11 November 2011 | $1.234323 | $1.233089 |
| 10 November 2011 | $1.232001 | $1.230769 |
| 09 November 2011 | $1.232188 | $1.230956 |
| 08 November 2011 | $1.229701 | $1.228471 |
| 07 November 2011 | $1.225977 | $1.224751 |
| 04 November 2011 | $1.228404 | $1.227176 |
| 03 November 2011 | $1.224998 | $1.223774 |
| 02 November 2011 | $1.227529 | $1.226303 |
| 01 November 2011 | $1.228888 | $1.227660 |
| 31 October 2011 | $1.222548 | $1.221326 |
| 28 October 2011 | $1.218870 | $1.217652 |
| 27 October 2011 | $1.219661 | $1.218441 |
| 26 October 2011 | $1.218583 | $1.217365 |
| 25 October 2011 | $1.220188 | $1.218968 |
| 24 October 2011 | $1.217231 | $1.216015 |
| 21 October 2011 | $1.221486 | $1.220266 |
| 20 October 2011 | $1.220864 | $1.219644 |
| 19 October 2011 | $1.220797 | $1.219577 |
| 18 October 2011 | $1.222647 | $1.221425 |
| 17 October 2011 | $1.224127 | $1.222903 |
| 14 October 2011 | $1.222947 | $1.221725 |
| 13 October 2011 | $1.226340 | $1.225114 |
| 12 October 2011 | $1.225707 | $1.224481 |
| 11 October 2011 | $1.231061 | $1.229831 |
| 07 October 2011 | $1.233617 | $1.232384 |
| 06 October 2011 | $1.235281 | $1.234047 |
| 05 October 2011 | $1.236660 | $1.235424 |
| 04 October 2011 | $1.237225 | $1.235989 |
| 30 September 2011 | $1.232740 | $1.231508 |
| 29 September 2011 | $1.226325 | $1.225099 |
| 28 September 2011 | $1.223593 | $1.222371 |
| 27 September 2011 | $1.221837 | $1.220615 |
| 26 September 2011 | $1.219746 | $1.218526 |
| 23 September 2011 | $1.219359 | $1.218141 |
| 22 September 2011 | $1.223452 | $1.222230 |
| 21 September 2011 | $1.218397 | $1.217179 |
| 20 September 2011 | $1.215944 | $1.214728 |
| 19 September 2011 | $1.219405 | $1.218187 |
| 16 September 2011 | $1.219580 | $1.218362 |
| 15 September 2011 | $1.215659 | $1.214443 |
| 14 September 2011 | $1.216734 | $1.215518 |
| 13 September 2011 | $1.219873 | $1.218653 |
| 12 September 2011 | $1.223386 | $1.222164 |
| 09 September 2011 | $1.223543 | $1.222321 |
| 08 September 2011 | $1.221394 | $1.220174 |
| 07 September 2011 | $1.221009 | $1.219789 |
| 06 September 2011 | $1.211112 | $1.209902 |
| 05 September 2011 | $1.207985 | $1.206777 |
| 02 September 2011 | $1.207442 | $1.206236 |
| 01 September 2011 | $1.208035 | $1.206827 |
| 31 August 2011 | $1.204372 | $1.203168 |
| 30 August 2011 | $1.210615 | $1.209405 |
| 29 August 2011 | $1.207243 | $1.206037 |
| 26 August 2011 | $1.208407 | $1.207199 |
| 25 August 2011 | $1.207992 | $1.206784 |
| 24 August 2011 | $1.205354 | $1.204150 |
| 23 August 2011 | $1.209194 | $1.207986 |
| 22 August 2011 | $1.210165 | $1.208955 |
| 19 August 2011 | $1.207619 | $1.206411 |
| 18 August 2011 | $1.209325 | $1.208117 |
| 17 August 2011 | $1.201930 | $1.200728 |
| 16 August 2011 | $1.197247 | $1.196051 |
| 15 August 2011 | $1.194539 | $1.193345 |
| 12 August 2011 | $1.196711 | $1.195515 |
| 11 August 2011 | $1.188473 | $1.187285 |
| 10 August 2011 | $1.194246 | $1.193052 |
| 09 August 2011 | $1.192796 | $1.191604 |
| 08 August 2011 | $1.193528 | $1.192336 |
| 05 August 2011 | $1.178452 | $1.177274 |
| 04 August 2011 | $1.179335 | $1.178157 |
| 03 August 2011 | $1.172020 | $1.170848 |
| 02 August 2011 | $1.167908 | $1.166740 |
| 29 July 2011 | $1.166241 | $1.165075 |
| 28 July 2011 | $1.160701 | $1.159541 |
| 27 July 2011 | $1.159955 | $1.158795 |
| 26 July 2011 | $1.159181 | $1.158023 |
| 25 July 2011 | $1.157488 | $1.156332 |
| 22 July 2011 | $1.158279 | $1.157121 |
| 21 July 2011 | $1.152266 | $1.151114 |
| 20 July 2011 | $1.151165 | $1.150015 |
| 19 July 2011 | $1.151233 | $1.150083 |
| 18 July 2011 | $1.150022 | $1.148872 |
| 15 July 2011 | $1.149863 | $1.148713 |
| 14 July 2011 | $1.149408 | $1.148260 |
| 13 July 2011 | $1.153691 | $1.152537 |
| 12 July 2011 | $1.153823 | $1.152669 |
| 11 July 2011 | $1.158133 | $1.156975 |
| 08 July 2011 | $1.161003 | $1.159843 |
| 07 July 2011 | $1.157169 | $1.156013 |
| 06 July 2011 | $1.165694 | $1.164528 |
| 05 July 2011 | $1.164779 | $1.163615 |
| 04 July 2011 | $1.161174 | $1.160014 |
| 01 July 2011 | $1.160813 | $1.159653 |