Type of indicator	Period	Total
Income	1997	23,683.00
Income	1996	11,221.00
Income	1995	10,002.00
Income	1994	12,474.00
Income	1993	114,100.00
Income	1992	81,004.00
Income	1991	66,597.00
Income	1990	40,785.00
Income	1989	34,194.00
Income	1988	21,231.00
Income	1987	20,419.00
Income	1986	24,994.00
Income	1985	23,378.00
Income	1984	20,781.00
Income	1983	18,265.00
Income	1982	15,707.00
Income	1981	16,698.00
Income	1980	10,873.00
Payments	1997	157,221.00
Payments	1996	133,878.00
Payments	1995	138,439.00
Payments	1994	128,103.00
Payments	1993	245,600.00
Payments	1992	324,673.00
Payments	1991	236,537.00
Payments	1990	221,854.00
Payments	1989	190,446.00
Payments	1988	160,745.00
Payments	1987	113,128.00
Payments	1986	103,816.00
Payments	1985	93,914.00
Payments	1984	84,742.00
Payments	1983	88,338.00
Payments	1982	78,984.00
Payments	1981	52,382.00
Payments	1980	44,393.00
Balance	1997	-133,538.00
Balance	1996	-122,657.00
Balance	1995	-128,437.00
Balance	1994	-115,629.00
Balance	1993	-131,500.00
Balance	1992	-243,669.00
Balance	1991	-169,940.00
Balance	1990	-181,069.00
Balance	1989	-156,252.00
Balance	1988	-139,514.00
Balance	1987	-92,709.00
Balance	1986	-78,822.00
Balance	1985	-70,436.00
Balance	1984	-63,961.00
Balance	1983	-70,073.00
Balance	1982	-63,277.00
Balance	1981	-35,684.00
Balance	1980	-33,520.00
Coverage rate	1997	0.15
Coverage rate	1996	0.08
Coverage rate	1995	0.07
Coverage rate	1994	0.10
Coverage rate	1993	0.46
Coverage rate	1992	0.25
Coverage rate	1991	0.28
Coverage rate	1990	0.18
Coverage rate	1989	0.18
Coverage rate	1988	0.13
Coverage rate	1987	0.18
Coverage rate	1986	0.24
Coverage rate	1985	0.25
Coverage rate	1984	0.25
Coverage rate	1983	0.21
Coverage rate	1982	0.20
Coverage rate	1981	0.32
Coverage rate	1980	0.24
Volume of transactions	1997	180,904.00
Volume of transactions	1996	145,099.00
Volume of transactions	1995	148,441.00
Volume of transactions	1994	140,577.00
Volume of transactions	1993	359,700.00
Volume of transactions	1992	405,677.00
Volume of transactions	1991	303,134.00
Volume of transactions	1990	262,639.00
Volume of transactions	1989	224,640.00
Volume of transactions	1988	181,976.00
Volume of transactions	1987	133,547.00
Volume of transactions	1986	128,810.00
Volume of transactions	1985	117,192.00
Volume of transactions	1984	105,523.00
Volume of transactions	1983	106,603.00
Volume of transactions	1982	94,691.00
Volume of transactions	1981	69,080.00
Volume of transactions	1980	55,266.00
Income / expenditure R+D	1997	0.04
Income / expenditure R+D	1996	0.02
Income / expenditure R+D	1995	0.02
Income / expenditure R+D	1994	0.02
Income / expenditure R+D	1993	0.20
Income / expenditure R+D	1992	0.15
Income / expenditure R+D	1991	0.14
Income / expenditure R+D	1990	0.10
Income / expenditure R+D	1989	0.10
Income / expenditure R+D	1988	0.07
Income / expenditure R+D	1987	0.09
Income / expenditure R+D	1986	0.13
Income / expenditure R+D	1985	0.15
Income / expenditure R+D	1984	0.16
Income / expenditure R+D	1983	0.17
Income / expenditure R+D	1982	0.16
Income / expenditure R+D	1981	0.23
Income / expenditure R+D	1980	0.17
Payments / expenditure R+D	1997	0.23
Payments / expenditure R+D	1996	0.21
Payments / expenditure R+D	1995	0.23
Payments / expenditure R+D	1994	0.23
Payments / expenditure R+D	1993	0.44
Payments / expenditure R+D	1992	0.60
Payments / expenditure R+D	1991	0.49
Payments / expenditure R+D	1990	0.52
Payments / expenditure R+D	1989	0.56
Payments / expenditure R+D	1988	0.56
Payments / expenditure R+D	1987	0.49
Payments / expenditure R+D	1986	0.53
Payments / expenditure R+D	1985	0.60
Payments / expenditure R+D	1984	0.67
Payments / expenditure R+D	1983	0.82
Payments / expenditure R+D	1982	0.82
Payments / expenditure R+D	1981	0.72
Payments / expenditure R+D	1980	0.68