Year	Percent
1964-01-01	35.421064977788300
1965-01-01	-2.726980277629150
1966-01-01	15.780101249114100
1967-01-01	36.926524872831900
1968-01-01	53.321672710773900
1969-01-01	6.176195735223110
1970-01-01	8.025284045484880
1971-01-01	5.777349825965160
1972-01-01	15.804215390795100
1973-01-01	15.642762123819400
1974-01-01	29.469281045994500
1975-01-01	28.657970195226900
1976-01-01	80.385959075414000
1977-01-01	68.947708198999800
1978-01-01	48.769037611520200
1979-01-01	101.051260411497000
1980-01-01	46.625906830330800
1981-01-01	35.408264874429400
1982-01-01	36.699697574091400
1983-01-01	76.526697666265900
1984-01-01	52.227011357320800
1985-01-01	23.820784521334900
1986-01-01	44.400000000000000
1987-01-01	78.670360110803300
1988-01-01	71.091731266150300
1989-01-01	104.065229428260000
1990-01-01	81.295404814004000
1991-01-01	2154.436827113410000
1992-01-01	4129.169856615580000
1993-01-01	1986.904761904760000
1994-01-01	23773.131774101600000
1995-01-01	541.908883239027000
1996-01-01	492.441850235414000
1997-01-01	198.516707416463000
1998-01-01	29.148806923665200
1999-01-01	284.894975914087000
2000-01-01	513.906843747536000
2001-01-01	359.936614264586000
2002-01-01	31.522582602549500
2003-01-01	12.873965718740500
2004-01-01	3.994384008159700
2005-01-01	21.316816722934100
2006-01-01	13.052694974510100
2007-01-01	16.945100654195000
2008-01-01	17.301384570015700
2009-01-01	2.799999999999810
2010-01-01	7.100000000000380
2011-01-01	15.316515913949000
2012-01-01	9.721828062733630
2013-01-01	0.808223101487070
2014-01-01	1.243038897607630
2015-01-01	0.744198994781499
2016-01-01	2.885851072900090