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DECEMBER KEY FIGURES

		Dec qtr 11	Sep qtr 11 to Dec qtr 11	Dec qtr 10 to Dec qtr 11
		$m	% change	% change
TREND ESTIMATES(a)
Value of work done
	For the private sector	19 585.4	7.9	50.5
	For the public sector(b)	7 559.5	-1.7	2.9
	Total engineering construction	27 139.4	5.1	33.3
SEASONALLY ADJUSTED ESTIMATES(a)
Value of work done
	For the private sector	18 653.4	-7.2	39.1
	For the public sector(b)	7 526.7	-0.4	3.7
	Total engineering construction	26 180.1	-5.3	26.6
(a) Chain volume measures, reference year 2009-10.
(b) Includes work done by the private sector for the public sector and work done by the public sector.

Value of work done, Chain volume measures

Value of work done, Chain volume measures - Trend estimates

• The trend estimate for the value of total engineering construction work done rose 5.1% in the December 2011 quarter.
• The seasonally adjusted estimate for the value of total engineering construction work done fell 5.3% in the December quarter to $26,180.1m.

• The trend estimate for the value of work done for the private sector rose 7.9% in the December quarter.
• The seasonally adjusted estimate for the value of work done for the private sector fell 7.2% in the December quarter to $18,653.4m.

• The trend estimate for the value of work done for the public sector fell 1.7% in the December quarter.
• The seasonally adjusted estimate for the value of work done for the public sector fell 0.4% in the December quarter to $7,526.7m.

• The value of work commenced in the December quarter was $20,385.6m, a decrease of 43.9% from the September quarter.