Year % of GDP 1990 48.95325401469346 1991 46.61082760150877 1992 44.8643144683874 1993 44.32619013375521 1994 53.54501564110446 1995 53.66200138828353 1996 55.64336909650168 1997 62.404655630261594 1998 66.35014608642165 1999 63.53730092204526 2000 57.741531255777645 2001 68.26755672691246 2002 69.73446012612071 2014 26.894612000180494 2015 29.875377738280523 2016 33.740190096234805 2017 32.685689411012966 2018 36.6742909998618 2019 40.153590367938584 2020 48.6801012102042 2021 52.575964451332815 2022 48.25538840274024