Bloomberg quaterly data. Hope it is useful for you.

DATE PRICE | DATE PRICE | DATE PRICE
3/07 7.7257 | 12/04 8.2765 | 12/01 8.2765
| 9/04 8.2765 | 9/01 8.2768
| 6/04 8.2766 | 6/01 8.2767
| 3/04 8.2770 | 3/01 8.2777
| |
12/06 7.8051 | 12/03 8.2767 | 12/00 8.2774
9/06 7.9041 | 9/03 8.2770 | 9/00 8.2798
6/06 7.9943 | 6/03 8.2775 | 6/00 8.2782
3/06 8.0172 | 3/03 8.2774 | 3/00 8.2787
| |
12/05 8.0702 | 12/02 8.2770 | 12/99 8.2795
9/05 8.0920 | 9/02 8.2772 | 9/99 8.2778
6/05 8.2764 | 6/02 8.2771 | 6/99 8.2787
3/05 8.2764 | 3/02 8.2774 | 3/99 8.2800
| |

12/98 8.2789 | 12/95 8.3174 | 12/92 5.7662
9/98 8.2780 | 9/95 8.3185 | 9/92 5.5140
6/98 8.2797 | 6/95 8.3011 | 6/92 5.4758
3/98 8.2793 | 3/95 8.4264 | 3/92 5.4812
| |
12/97 8.2795 | 12/94 8.4462 | 12/91 5.4478
9/97 8.2850 | 9/94 8.5300 | 9/91 5.3899
6/97 8.2908 | 6/94 8.6518 | 6/91 5.3690
3/97 8.2955 | 3/94 H8.6850 | 3/91 L5.2352
| |
12/96 8.2984 | 12/93 5.8245 | 12/90 5.2352
9/96 8.3017 | 9/93 5.8013 |
6/96 8.3221 | 6/93 5.7756 |
3/96 8.3338 | 3/93 5.7333 |
| |