Year	Percent of GDP
1990-01-01	37.9046442897918
1991-01-01	39.7465295952967
1992-01-01	41.8121010412775
1993-01-01	41.6430810639330
1994-01-01	44.1820234487335
1995-01-01	46.3921563878041
1996-01-01	47.3080346914958
1997-01-01	47.4935893807091
1998-01-01	48.8881818864993
1999-01-01	46.7335816523108