Year | actual values | Predicted value | Error rate | Year | actual values | Predicted value | Error rate |
1987 | 31.59754 | 32.37 | 2.5% | 2001 | 621.745 | 659.84 | 6.1% |
1988 | 42.94045 | 46.54 | 8.4% | 2002 | 720.149 | 761.13 | 5.7% |
1989 | 50.97043 | 58.51 | 14.8% | 2003 | 858.3161 | 879.29 | 2.4% |
1990 | 67.53705 | 76.82 | 13.7% | 2004 | 1006.734 | 1024.04 | 1.7% |
1991 | 91.84889 | 100.21 | 9.1% | 2005 | 1158.483 | 1165.73 | 0.6% |
1992 | 122.3428 | 128.05 | 4.7% | 2006 | 1350.387 | 1323.97 | −2.0% |
1993 | 160.1577 | 156.52 | −2.3% | 2007 | 1550.732 | 1513.94 | −2.4% |
1994 | 209.6906 | 197.60 | −5.8% | 2008 | 1738.601 | 1702.90 | −2.1% |
1995 | 259.6242 | 239.83 | −7.6% | 2009 | 1923.792 | 1895.16 | −1.5% |
1996 | 304.2476 | 285.93 | −6.0% | 2010 | 2157.829 | 2132.99 | −1.2% |
1997 | 355.5165 | 343.00 | −3.5% | 2011 | 2374.67 | 2371.38 | −0.1% |
1998 | 409.6683 | 410.13 | 0.1% | 2012 | 2611.22 | 2603.62 | −0.3% |
1999 | 470.0571 | 476.05 | 1.3% | 2013 | 2885.398 | 2891.08 | 0.2% |
2000 | 543.7369 | 561.13 | 3.2% | 2014 | 3139.31 | 3198.46 | 1.9% |