12ʱ


47
1954	2649.3 
1955	10371.8 
1956	13782.6 
1957	14964.8 
1958	7566.6 
1959	1242.9 
1960	8320.6 
1961	1036.0 
1962	5372.1 
1963	10104.6 
1964	4732.5 
1965	6823.3 
1966	2600.8 
1967	2625.8 
1968	151.3 
1969	1884.0 
1970	11065.3 
1971	7464.5 
1972	674.9 
1973	9163.8 
1974	12445.2 
1975	1413.1 
1976	1304.2 
1977	1658.5 
1978	4493.9 
1979	1362.5 
1980	3485.0 
1981	1641.6 
1982	2536.4 
1983	201.9 
1984	1000.4 
1985	3359.5 
1986	1066.1 
1987	1010.2 
1988	1362.0 
1989	596.9 
1990	6206.4 
1991	11615.4 
1992	273.5 
1993	14684.4 
1994	2241.9 
1995	4587.1 
1996	2102.4 
1997	5810.4 
1998	33.48
1999	122.9 
2000	1289.2 
