Year % of GDP 1990 132.8802554383247 1991 118.40610540770562 1992 114.78068089111639 1993 112.51096128851219 1994 104.09809594572339 1995 99.85811748769619 1996 98.69719062626588 1997 93.8853821642428 1998 94.83405991392416 1999 88.60319026460665