Year % of government expenditure 1988 5.13411998748779 1989 5.48415994644165 1992 5.16343021392822 1995 5.76774978637695 1996 5.84233999252319 1997 6.40111017227173 1998 6.48976993560791 1999 5.07170009613037 2000 6.32789993286133 2004 5.925950050354 2009 6.59881019592285 2010 6.36322021484375 2011 8.07616996765137 2012 8.87594985961914 2013 7.05921983718872 2014 5.00886011123657 2016 6.59654998779297 2017 6.98062992095947 2019 5.02927017211914 2021 5.87369012832642 2022 4.79598999023438