Year % of internal resources 1994 1686.6903914590746 1995 1700.0842230106762 1996 1713.478054569395 1997 1726.8718861209966 1998 1740.2657176725977 1999 1753.6595492313165 2000 1767.0533807829183 2001 1808.877817316726 2002 1850.7022538576512 2003 1892.526690391459 2004 1983.2740213523132 2005 1983.2740213523132 2006 1983.2740213523132 2007 1985.0725978647688 2008 1986.8711743772242 2009 1988.6697508896796 2010 1990.4683274021352 2011 1992.2669039145908 2012 1994.0654804270462 2013 1995.8640569395016 2014 1997.6626334519572 2015 1999.461209964413 2016 2001.2597864768684 2017 2053.82206405694 2018 1913.1672597864767 2019 1972.1067615658362 2020 1867.9715302491104