Income, payments, coverage rate;Period;Total
Income;1997;23,683
Income;1996;11,221
Income;1995;10,002
Income;1994;12,474
Income;1993;114,100
Income;1992;81,004
Income;1991;66,597
Income;1990;40,785
Income;1989;34,194
Income;1988;21,231
Income;1987;20,419
Income;1986;24,994
Income;1985;23,378
Income;1984;20,781
Income;1983;18,265
Income;1982;15,707
Income;1981;16,698
Payments;1997;157,221
Payments;1996;133,878
Payments;1995;138,439
Payments;1994;128,103
Payments;1993;245,600
Payments;1992;324,673
Payments;1991;236,537
Payments;1990;221,854
Payments;1989;190,446
Payments;1988;160,745
Payments;1987;113,128
Payments;1986;103,816
Payments;1985;93,914
Payments;1984;84,742
Payments;1983;88,338
Payments;1982;78,984
Payments;1981;52,382
Balance;1997;-133,538
Balance;1996;-122,657
Balance;1995;-128,437
Balance;1994;-115,629
Balance;1993;-131,500
Balance;1992;-243,669
Balance;1991;-169,940
Balance;1990;-181,069
Balance;1989;-156,252
Balance;1988;-139,514
Balance;1987;-92,709
Balance;1986;-78,822
Balance;1985;-70,436
Balance;1984;-63,961
Balance;1983;-70,073
Balance;1982;-63,277
Balance;1981;-35,684
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
Volume of transactions;1997;180,904
Volume of transactions;1996;145,099
Volume of transactions;1995;148,441
Volume of transactions;1994;140,577
Volume of transactions;1993;359,700
Volume of transactions;1992;405,677
Volume of transactions;1991;303,134
Volume of transactions;1990;262,639
Volume of transactions;1989;224,640
Volume of transactions;1988;181,976
Volume of transactions;1987;133,547
Volume of transactions;1986;128,810
Volume of transactions;1985;117,192
Volume of transactions;1984;105,523
Volume of transactions;1983;106,603
Volume of transactions;1982;94,691
Volume of transactions;1981;69,080
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
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