A3 Incomes and prices


	Trimmed mean		Exponentially smoothed		Factor model	Weighted median
	(Q/Q%)*	(Y/Y%)**	(Q/Q%)	(Y/Y%)	(Y/Y%)	(Q/Q%)*	(Y/Y%)**
*Previous years:*
Sep. 2007	0.7	2.3	0.6	2.6	2.7	0.7	2.7
Sep. 2008	1.3	4.0	1.0	3.3	3.6	1.0	3.7
*Quarterly:*
Dec. 2008	0.2	3.1	0.7	3.3	3.1	0.5	3.0
Mar. 2009	0.6	2.9	0.7	3.3	2.9	0.3	2.9
Jun. 2009	0.9	2.2	0.7	3.1	2.4	0.4	2.9
Sep. 2009	0.9	2.0	0.8	2.8	2.2	0.3	2.8

Last updated 16 November 2009
Source: Statistics NZ, RBNZ
* Calculated from quarterly percentage changes.
** Calculated from annual percentage changes. June 2006 quarter weights are used
until September 2008 when June 2008 quarter weights are used.