Time	GMSL (mm)
2005.50	7.99
2006.50	10.25
2007.50	10.51
2008.50	15.33
2009.50	18.78
2010.50	20.64
2011.50	20.91
2012.50	31.10
2013.50	33.40
2014.50	36.65
2015.50	46.34