Year	US Dollars, Sum Over Component Sub-periods
1988-01-01	-7307110000.000000
1989-01-01	-11841030000.000000
1990-01-01	-16776169999.999998
1991-01-01	-24144180000.000000
1992-01-01	-29205910000.000000
1993-01-01	7953700000.000000
1994-01-01	13894100000.000000
1995-01-01	23169370000.000000
1996-01-01	40171120000.000000
1997-01-01	33738800000.000004
1998-01-01	19761960000.000000
1999-01-01	8197639999.999999
2000-01-01	-5847410000.000000
2001-01-01	-638530000.000000
2002-01-01	-9463130000.000000
2003-01-01	-19586220000.000000
2004-01-01	-16196560000.000000
2005-01-01	-29379110000.000000
2006-01-01	-48118660000.000000
2007-01-01	-51627310000.000000
2008-01-01	-66117200000.000000
2009-01-01	-40327850000.000000
2010-01-01	-69618160000.000000
2011-01-01	-65775479999.999990
2012-01-01	-5222530000.000000
2013-01-01	20581920000.000000