1991 185
1992 185
1993 185
1994 185
1995 185          1992 Coefficients in use
1991 285
1992 285
1993 285
1994 285
1995 285          1992 Coefficients in use
1991 385
1992 385
1993 385
1994 385
1995 385          1992 Coefficients in use
1991 485
1992 485
1993 485
1994 485
1995 485          1992 Coefficients in use
1991 585
1992 585
1993 585
1994 585
1995 585          1992 Coefficients in use
1991 685
1992 685
1993 685
1994 685
1995 685          1992 Coefficients in use
1991 785
1992 785
1993 785
1994 785
1995 785          1992 Coefficients in use
1991 885
1992 885
1993 885
1994 885
1995 885          1992 Coefficients in use
1991 985
1992 985
1993 985
1994 985
1995 985          1992 Coefficients in use
19911085
19921085
19931085
19941085
19951085          1992 Coefficients in use
19911185
19921185
19931185
19941185
19951185          1992 Coefficients in use
19911285
19921285
19931285
19941285
19951285          1992 Coefficients in use