Year,Length_mm_female,Length_mm_male
1984,89.800,89.700
1985,90.100,88.500
1986,87.700,88.800
1987,87.700,88.600
1988,89.500,88.300
1989,85.600,89.300
1990,87.400,87.400
1991,88.500,86.800
1992,87.400,87.100
1993,85.700,86.900
1994,87.200,88.100
1995,85.600,86.700
1996,86.700,87.000
1997,86.300,87.600
1998,86.400,87.500
1999,86.400,86.600
2000,85.300,86.400
2001,85.400,84.600
2002,84.500,83.300
2003,85.000,83.800
2004,84.600,87.400