year,gel
2004,84.3
2005,95.8
2006,106.5
2007,118.6
2008,127.9
2009,128.8
2010,134.3
2011,157.8
2012,151.1
2013,149
2014,154.5
2015,161.1
2016,160.1
2017,170.4