The data below is in a format known as tab-delimited values. You can open this file with any spreadsheet application and the data will be distributed into the appropriate rows and columns. 



Year	Cost ($m)	Inflation adjusted cost ($m)*
1976	6.2	59
1978	10.3	78.1
1980	10.3	62.1
1981	9	48
1983	2.3	9.5
1984	51.1	202.8
1985	5.3	19.1
1986	19.3	59.8
1988	19.1	45
1990	1.8	3.8
1991	1.6	3.3
1993	7.6	15.1
1994	7.5	14.7
1995	12.6	24
1997	6.6	12.1
1998	11.8	21.3
1999	54.9	99.2
2000	9.5	16.9
2001	0.6	1
2002	22.7	38.1
2003	3.3	4.5
2004	22.4	36.1
2005	3.8	6
2006	4.5	6.8
2007	2.2	3.2
2008	0.8	1.1
2010	18.3	25.2
2011	49.9	65.6
2013	49.1	63.1
2014	58	73.4
2015	89.4	112.5
2016	48	60.2
2017	94.6	116.7
2018	33.3	40.5
2019	19.4	23
2020	166.9	195.2
2021	252.6	285.9
2022	187.4	200.3
2023	1957.6	1995.7


See the web-page for source information


Downloaded from Te Ara | The Encyclopedia of New Zealand

www.TeAra.govt.nz