| Year | Exports | Debt | IntArr | PrinArr | ArrTotal | ΔIntArr | ΔPrinArr | ΔArrTotal | IntPay | PrinPay | PMT | N | Rα | Rθ |
| 1982 | 377 | 415 | 4.01 | 5.80 | 9.81 | 1.21 | 2.31 | 3.52 | 31.37 | 30.96 | 62.33 | 15.2 | 10.05% | 12.05% |
| 1983 | 373 | 484 | 5.60 | 7.21 | 12.82 | 1.59 | 1.41 | 3.00 | 31.83 | 30.20 | 62.03 | 14.7 | 8.70% | 10.70% |
| 1984 | 404 | 519 | 8.42 | 13.59 | 22.01 | 2.81 | 6.38 | 9.19 | 35.27 | 32.04 | 67.31 | 16.3 | 8.63% | 10.63% |
| 1985 | 391 | 599 | 10.05 | 18.49 | 28.54 | 1.63 | 4.91 | 6.53 | 38.25 | 38.05 | 76.30 | 16.4 | 7.43% | 9.43% |
| 1986 | 346 | 703 | 9.02 | 24.90 | 33.92 | −1.03 | 6.40 | 5.38 | 37.59 | 40.59 | 78.17 | 17.8 | 6.48% | 8.48% |
| 1987 | 409 | 830 | 15.41 | 28.99 | 44.40 | 6.39 | 4.09 | 10.49 | 39.22 | 42.02 | 81.24 | 18.1 | 6.17% | 8.17% |
| 1988 | 459 | 844 | 18.35 | 38.33 | 56.69 | 2.94 | 9.34 | 12.29 | 47.26 | 52.11 | 99.37 | 16.8 | 6.43% | 8.43% |
| 1989 | 508 | 890 | 29.58 | 43.47 | 73.05 | 11.22 | 5.13 | 16.36 | 42.62 | 51.61 | 94.23 | 17.7 | 6.55% | 8.55% |
| 1990 | 588 | 932 | 40.22 | 54.00 | 94.22 | 10.64 | 10.53 | 21.17 | 41.93 | 57.62 | 99.55 | 18.0 | 6.69% | 8.69% |
| 1991 | 613 | 958 | 42.96 | 58.58 | 101.54 | 2.74 | 4.58 | 7.32 | 41.45 | 54.45 | 95.90 | 17.9 | 6.24% | 8.24% |
| 1992 | 679 | 968 | 40.00 | 67.37 | 107.37 | −2.96 | 8.79 | 5.83 | 42.14 | 64.56 | 106.69 | 16.9 | 5.92% | 7.92% |
| 1993 | 734 | 1020 | 42.84 | 73.16 | 116.01 | 2.84 | 5.79 | 8.64 | 39.21 | 63.53 | 102.74 | 15.7 | 5.56% | 7.56% |
| 1994 | 865 | 1110 | 38.89 | 77.33 | 116.23 | −3.95 | 4.17 | 0.22 | 44.52 | 70.59 | 115.11 | 16.5 | 5.44% | 7.44% |
| 1995 | 1040 | 1170 | 38.71 | 82.25 | 120.96 | −0.18 | 4.92 | 4.74 | 54.78 | 83.21 | 137.99 | 14.0 | 6.10% | 8.10% |
| 1996 | 1160 | 1160 | 32.02 | 74.86 | 106.88 | −6.69 | −7.39 | −14.08 | 55.11 | 106.00 | 161.11 | 13.4 | 6.33% | 8.33% |
| 1997 | 1270 | 1140 | 27.84 | 67.45 | 95.29 | −4.19 | −7.41 | −11.60 | 54.27 | 108.00 | 162.27 | 14.9 | 6.32% | 8.32% |
| 1998 | 1220 | 1200 | 31.83 | 76.99 | 108.82 | 4.00 | 9.53 | 13.53 | 54.21 | 91.74 | 145.95 | 13.3 | 6.12% | 8.12% |
| 1999 | 1290 | 1210 | 33.46 | 73.32 | 106.78 | 1.63 | −3.67 | −2.03 | 56.30 | 98.04 | 154.33 | 14.2 | 6.49% | 8.49% |
| 2000 | 1540 | 1180 | 27.34 | 53.51 | 80.85 | −6.12 | −19.81 | −25.93 | 60.59 | 103.00 | 163.59 | 14.5 | 6.94% | 8.94% |
| 2001 | 1510 | 1170 | 29.15 | 53.58 | 82.74 | 1.81 | 0.07 | 1.89 | 55.13 | 104.00 | 159.13 | 15.9 | 5.53% | 7.53% |
| 2002 | 1630 | 1240 | 31.37 | 54.65 | 86.02 | 2.22 | 1.06 | 3.28 | 48.99 | 112.00 | 160.99 | 16.6 | 4.92% | 6.92% |
| 2003 | 1940 | 1290 | 42.69 | 72.80 | 115.48 | 11.31 | 18.15 | 29.46 | 50.40 | 133.00 | 183.40 | 14.9 | 4.66% | 6.66% |
| 2004 | 2460 | 1340 | 47.88 | 82.81 | 130.69 | 5.19 | 10.01 | 15.20 | 49.43 | 118.00 | 167.43 | 17.0 | 4.24% | 6.24% |
| 2005 | 2900 | 1230 | 25.51 | 44.53 | 70.04 | −22.37 | −38.27 | −60.64 | 55.91 | 124.00 | 179.91 | 17.3 | 4.88% | 6.88% |
| 2006 | 3530 | 1190 | 25.54 | 44.71 | 70.25 | 0.04 | 0.18 | 0.21 | 51.57 | 155.00 | 206.57 | 18.1 | 4.90% | 6.90% |
| 2007 | 4320 | 1270 | 27.25 | 46.44 | 73.69 | 1.71 | 1.73 | 3.44 | 56.37 | 115.00 | 171.37 | 19.8 | 4.84% | 6.84% |
| 2008 | 5180 | 1320 | 27.05 | 47.95 | 75.00 | −0.21 | 1.51 | 1.31 | 54.49 | 129.00 | 183.49 | 18.3 | 4.17% | 6.17% |
| 2009 | 4240 | 1410 | 26.28 | 49.92 | 76.20 | −0.77 | 1.97 | 1.20 | 50.35 | 108.00 | 158.35 | 18.1 | 3.36% | 5.36% |
| 2010 | 5290 | 1530 | 21.57 | 39.98 | 61.54 | −4.71 | −9.94 | −14.65 | 50.23 | 105.00 | 155.23 | 24.4 | 3.18% | 5.18% |
| 2011 | 6400 | 1610 | 18.58 | 41.13 | 59.71 | −2.99 | 1.15 | −1.83 | 55.62 | 126.00 | 181.62 | 21.1 | 3.26% | 5.26% |
| 2012 | 6720 | 1770 | 20.33 | 44.40 | 64.73 | 1.75 | 3.27 | 5.02 | 80.98 | 101.00 | 181.98 | 21.0 | 2.85% | 4.85% |