Year	Percent of GDP
1990-01-01	21.0100829162179
1991-01-01	22.0359098082079
1992-01-01	24.1833109888399
1993-01-01	26.3960592533607
1994-01-01	28.0509505326032
1995-01-01	35.1974848331648
1996-01-01	36.4464540546626
1997-01-01	37.0312259805221
1998-01-01	37.0345432564334
1999-01-01	19.1266466192324