year,UC,lUC
1978,6.233905,1.830003
1979,6.487923,1.869942
1980,7.334649,1.99261
1981,7.829479,2.057896
1982,6.978997,1.942905
1983,6.926193,1.93531
1984,7.739865,2.046384
1985,7.410646,2.002918
1986,9.221657,2.221555
1987,9.628469,2.264724
1988,10.27911,2.330114
1989,11.2442,2.419853
1990,12.15246,2.497532
1991,11.82235,2.469992
1992,10.88479,2.387366
1993,12.79999,2.549444
1994,13.18892,2.579377
1995,14.23742,2.655874
1996,13.34907,2.591447
1997,15.33177,2.729927
1998,18.16787,2.899655
1999,19.73895,2.982594
2000,21.4249,3.064554
2001,22.94057,3.132907
2002,22.80285,3.126886
2003,25.116,3.223505
2004,29.05982,3.369356
2005,30.58644,3.420557
2006,,