Question

Period	GBP/USD	CPI US	CPI UK
1985	1.2974	107.6	111.1
1986	1.4677	109.6	114.9
1987	1.6398	113.6	119.7
1988	1.7813	118.3	125.6
1989	1.6382	124	135.4
1990	1.7841	130.7	148.2
1991	1.7674	136.2	156.9
1992	1.7663	140.3	162.7
1993	1.5016	144.5	165.3
1994	1.5319	148.2	169.3
1995	1.5785	152.4	175.2
1996	1.5607	156.9	179.4
1997	1.6376	160.5	185.1
1998	1.6573	163	191.4
1999	1.6172	166.6	194.3
2000	1.5156	172.2	200.1
2001	1.4396	177.1	203.6
2002	1.5025	179.9	207
2003	1.6347	184	213
2004	1.833	188.9	219.4
2005	1.8204	195.3	225.6
2006	1.8434	201.6	232.8
2007	2.002	207.3	242.7