31st March 31st December (LPA) (LPA) % (+) 1973 33,153,700 39,825,500 +22 1974 42,207,700 45,075 200 +13 1975 44,099,400 42,410,100 -6 1976 43,219,700 48,438,300 +14 1977 47,265,300 40,248,500 -17 1978 43,149,700 48,812 000 +21 1979 54,178,400 52,536,300 +8 1980 55,082,600 50,158,800 -5 1981 49,727,800 47,710,800 -5 1982 45,601,200 44,751 100 -6 1983 43,137,400 44,479,800 -1 1984 45,369,700 43,358,800 -3 1985 43,130,800 46,145,700 +6 1986 45,936,800 45,636,000 -1 1987 41,351,000 44,599,000 -2 1988 44,859,600 45,181,300 +1 1989 42,920,100 43,028,200 -5 1990 42,448,400 41,341,500 -4 1991 42,079,300 38,261,600 -7 1992 37,273,400 35,785,800 -6 1993 36,034,700 37,548,100 +5 1994 35,925,800 38,344,600 +2 2001 31,732,000 32,079,300+ % increase/decrease on previous December