Book Value of Quoted Securities £	Market Value of Quoted Securities (see NOTE) £	Market Value/ Book Value %
1920	0
1921	0
1922	813,153
1923	0
1924	0
1925	0
1926	0
1927	0
1928	0
1929	0
1930	0
1931	0
1932	0
1933	0
1934	0
1935	0
1936	0
1937	0
1938	0
1939	0
1940	20,670
1941	2,000,000
1942	8,500,000
1943	15,750,000
1944	23,640,000
1945	31,572,000
1946	37,754,000
1947	40,004,000
1948	41,004,000	40,960,324	99.9
1949	41,004,000	41,901,241	102.2
1950	42,587,185	40,760,170	95.7
1951	43,093,745	41,376,509	96.0
1952	38,897,234	33,097,210	85.1
1953	38,897,234	34,767,738	89.4
1954	38,897,234	36,168,746	93.0
1955	42,793,322	39,489,351	92.3
1956	44,028,947	35,899,178	81.5
1957	40,778,947	33,393,750	81.9
1958	39,177,822	30,773,493	78.5
1959	39,177,822	32,737,446	83.6
1960	37,125,539	30,030,088	80.9
1961	37,133,911	29,759,005	80.1
1962	37,133,911	30,063,308	81.0
1963	37,133,911	32,235,663	86.8
1964	37,146,202	32,569,153	87.7
1965	37,115,183	31,153,454	83.9
1966	36,978,534	31,360,730	84.8
1967	37,146,460	32,853,841	88.4
1968	42,067,869	36,890,302	87.7
1969	46,428,904	39,458,764	85.0
1970	49,157,681	45,043,938	91.6
1971	53,005,284	50,531,920	95.3
1972	58,597,383	60,040,993	102.5
1973	63,885,563	58,369,632	91.4
1974	64,781,575	48,688,692	75.2
1975	64,973,860	54,342,766	83.6
Mar 1976	59,515,664	49,405,924	83.0
Nov 1976	60,580,539	46,588,620	76.9
1977	63,166,000	62,607,000	99.1
1978	66,030,000	60,027,000	90.9
1979	71,304,000	63,257,000	88.7

NOTE: Market Value not disclosed in Annual Reports, 1920 to 1947