Production and Sales Data

Total HFC-134a Sales by Region
(metric tons)

Year	Northern Hemisphere		Southern Hemisphere	Total
	30-90 Degrees North	0-30 Degrees North	0-90 Degrees South
	(plus fugitive emissions)
1990	189	-----	-----	189
1991	2,197	1	-----	2,198
1992	6,343	47	14	6,404
1993	25,955	287	284	26,526
1994	46,726	2,507	1,167	50,400
1995	67,020	4,744	2,005	73,769
1996*	75,148	5,876	2,650	83,674
1997*	88,269	5,668	4,012	97,949
1998*	98,259	8,264	5,651	112,174
1999*	116,220	9,343	6,147	131,710
2000*	105,354	19,495	5,207	130,056
2001*	118,236	9,321	6,399	133,956
2002*	119,111	32,207	5,669	156,987
2003	141,084	13,864	11,951	166,899
2004	149,900	16,270	7,681	173,851
2005	143,198	19,078	7,724	169,999
2006	130,487	18,161	7,926	156,573
2007	128,782	22,700	6,679	158,161
Reporting companies now account for less than half of global sales and data collection has ceased.

* Fugitive Emissions Correction: During the 2003 study, a correction was made to remove a systematic error in the formulas used in the computation of Fugitive Emissions for HCFCs and HFCs. The amounts reported for 1996 through 2002 have been recalculated to apply the revised formula, affecting the production and sales totals for these years as well as the cumulative Estimated (random) Error. The consequences are that total production of HCFCs during this period is 2.4% less than that calculated using the old formula and HFC production is 1.4% less. The effects on random errors are much smaller; these remain unchanged for the whole of the HCFC database (at 0.35%), and have increased from 0.60% to 0.62% for the HFCs.

Source: AFEAS
www.afeas.org