Year	Percent Change
1967-01-01	3.614543342160690
1968-01-01	2.351439990973360
1969-01-01	6.485132455544350
1970-01-01	7.716405563677940
1971-01-01	8.607003502585710
1972-01-01	2.470758476240500
1973-01-01	11.429382445400400
1974-01-01	19.006545037873500
1975-01-01	11.200703899925700
1976-01-01	6.484204109567670
1977-01-01	7.764728260500300
1978-01-01	7.604441314270770
1979-01-01	7.135153355020490
1980-01-01	7.094105963333500
1981-01-01	8.004909885244930
1982-01-01	7.558493417685350
1983-01-01	1.767473989244760
1984-01-01	6.907196724879580
1985-01-01	5.975843170703100
1986-01-01	6.528725290539860
1987-01-01	10.346415148358500
1988-01-01	3.295873574855880
1989-01-01	0.868981608605882
1990-01-01	2.397495345385470
1991-01-01	6.226465550563990
1992-01-01	2.900314540362320
1993-01-01	1.078360851873680
1994-01-01	-6.001642635990650
1995-01-01	1.171036591833880
1996-01-01	5.693738090960090
1997-01-01	-2.104532927688090
1998-01-01	2.570821574000340
1999-01-01	0.648121063313684
2000-01-01	-0.529838923575491
2001-01-01	3.588526247967390
2002-01-01	3.626124105406030
2003-01-01	2.027929464825590
2004-01-01	-1.029667587858860
2005-01-01	1.534270213112500
2006-01-01	-0.280077293116632
2007-01-01	2.628557181021870
2008-01-01	0.589923393216809
2009-01-01	2.860677208698390
2010-01-01	-5.175410717114540