Year	US Dollars, Sum Over Component Sub-periods
1987-01-01	6634890000.000000
1988-01-01	6658490000.000000
1989-01-01	7855140000.000000
1990-01-01	8266700000.000001
1991-01-01	7505610000.000000
1992-01-01	8106810000.000000
1993-01-01	8711370000.000000
1994-01-01	10567270000.000000
1995-01-01	12573210000.000000
1996-01-01	13808110000.000000
1997-01-01	13362910000.000000
1998-01-01	11323370000.000000
1999-01-01	13006080000.000000
2000-01-01	12827210000.000000
2001-01-01	12452820000.000000
2002-01-01	14352010000.000000
2003-01-01	17316360000.000000
2004-01-01	22156200000.000000
2005-01-01	25094610000.000000
2006-01-01	25028570000.000000
2007-01-01	29468620000.000000
2008-01-01	33030400000.000000
2009-01-01	24107350000.000000
2010-01-01	29788070000.000000
2011-01-01	36057590000.000000
2012-01-01	37768290000.000000
2013-01-01	38757330000.000000