Year	Index 2010=1, Trend
1978-01-01	0.275846515917791
1979-01-01	0.312472267465666
1980-01-01	0.365649521358220
1981-01-01	0.418910927195572
1982-01-01	0.462935563580465
1983-01-01	0.450833618356068
1984-01-01	0.439939079324472
1985-01-01	0.517908886089475
1986-01-01	0.593639666335713
1987-01-01	0.661011611264202
1988-01-01	0.678426945648686
1989-01-01	0.699396612514061
1990-01-01	0.741376909808114
1991-01-01	0.761136048735363
1992-01-01	0.740131630436521
1993-01-01	0.727401742956344
1994-01-01	0.742641969391289
1995-01-01	0.752544655109703
1996-01-01	0.772081014505388
1997-01-01	0.783722011665014
1998-01-01	0.796528323313308
1999-01-01	0.780047220127974
2000-01-01	0.755333557308480
2001-01-01	0.802710667777878
2002-01-01	0.803775976189774
2003-01-01	0.822244284781894
2004-01-01	0.856231929952111
2005-01-01	0.899882181675843
2006-01-01	0.947887089970966
2007-01-01	0.959902996881584
2008-01-01	0.992516929484223
2009-01-01	0.990275031983574
2010-01-01	1.000000000000000