Year	Catalogued	Offered	Sold	Aggregate	Average	Median
2023	506	473	404	12,522,000	30,995	28,000
2022	480	458	413	12,421,000	30,075	26,000
2021	489	448	402	12,779,580	31,790	23,496
2020	447	396	333	8,009,140	24,051	17,582
2019	480	451	388	9,415,500	24,267	20,000
2018	560	526	411	10,488,000	25,518	20,000
2017	487	448	401	11,451,000	28,556	23,000
2016	533	501	409	10,209,700	24,963	19,000
2015	471	440	410	9,878,000	24,093	18,000
2014	464	435	397	7,427,000	18,708	15,000
2013	587	547	469	6,872,400	14,653	12,000
2012	514	477	414	4,823,000	11,650	9,250
2011	542	505	422	4,621,500	10,951	8,000
2010	550	512	428	4,349,450	10,162	6,500
2009	551	510	398	3,918,050	9,844	5,500
2008	505	466	301	4,425,900	14,704	10,500
2007	706	640	475	8,995,900	18,939	13,000
2006	644	584	481	10,708,800	22,264	16,000
2005	708	655	539	8,770,250	16,271	12,000
2004	600	543	443	7,659,300	17,290	13,000
2003	800	726	581	8,085,300	13,916	10,000
2002	695	652	590	7,306,330	12,384	9,000