Year Retreat rate (m/year) Retreat rate (m/year)
Mean Maximum
1975 1.89 2.12
1985 1.45 1.92
1987 8.73 11.29
1993 3.50 6.38
2002 1.28 2.67
2003 1.35 2.57
2005 1.28 2.43
2006 1.34 2.49
2010 1.12 2.04
2019 0.84 1.38