year,UC,lUC
1978,6.480244,1.868758
1979,6.717607,1.904732
1980,7.254356,1.981602
1981,7.640697,2.033489
1982,6.929499,1.935788
1983,7.025951,1.949611
1984,8.008094,2.080453
1985,7.631462,2.032279
1986,9.464738,2.247573
1987,9.649078,2.266862
1988,10.41036,2.342802
1989,11.39064,2.432792
1990,12.29524,2.509212
1991,11.5192,2.444015
1992,10.97992,2.396068
1993,12.91346,2.55827
1994,13.6333,2.612515
1995,14.6463,2.684188
1996,13.66755,2.615024
1997,15.64124,2.749911
1998,18.05249,2.893284
1999,19.81513,2.986446
2000,22.42602,3.110222
2001,23.77953,3.168825
2002,21.88502,3.085802
2003,24.80513,3.211051
2004,31.58744,3.45276
2005,32.64471,3.485683
2006,,