yeart	maxpt
1958	20.1
1959	35.2
1960	43.7
1961	23.9
1962	43.8
1963	32.5
1964	28.4
1965	31.5
1966	40.8
1967	23.7
1968	27
1969	24.4
1970	82.1
1971	29.1
1972	46.2
1973	24.2
1974	30.4
1975	27.2
1976	31.9
1977	22.7
1978	15.7
1979	32.9
1980	22.8
1981	30.2
1982	31.6
1983	31.6
1984	28.6
1985	36.1
1986	31.3
1987	25.2
1988	49.9
1989	33.6
1990	41.2
1991	34
1992	24.7
1993	28
1994	56.5
1995	37.3
1996	30.4
1997	41.6
1998	41.5
1999	28.4
2000	24.2
2001	43.4
2002	28.9
2003	42.9
2004	18.9
2005	40.8
2006	51
2007	34.6