Year	Index (Units)
2002	42.890
2003	45.691
2004	51.752
2005	57.219
2006	59.671
2007	69.273
2008	82.306
2009	74.211
2010	81.814
2011	89.433
2012	94.687
2013	101.543
2014	103.053
2015	104.218
2016	109.000
2017	112.315
2018	113.162
2019	116.300
2020	122.100
2021	140.833
2022	143.560