Year	Catalogued	Offered	Sold	Aggregate	Average	Median
2023	1,106	976	606	10,660,700	17,592	12,000
2022	1,389	1,196	772	13,883,050	17,983	14,000
2021	1,333	1,182	857	15,758,100	18,388	12,500
2020	823	680	529	10,055,100	19,008	13,000
2019	1,202	1,055	733	12,167,650	16,600	12,000
2018	1,415	1,216	771	13,003,350	16,866	11,000
2017	1,413	1,191	867	13,868,300	15,996	11,500
2016	1,469	1,250	844	12,038,950	14,264	10,500
2015	1,530	1,314	924	12,753,750	13,803	10,500
2014	1,492	1,313	979	13,630,050	13,922	11,000
2013	1,475	1,303	882	10,850,417	12,302	8,500
2012	1,215	1,079	679	8,064,250	11,877	8,000
2011	1,264	1,071	660	7,589,950	11,500	7,500
2010	1,455	1,224	631	6,661,507	10,557	6,000
2009	1,332	1,148	636	6,808,550	10,705	7,000
2008	2,840	2,178	981	10,967,450	11,180	6,000
2007	3,500	2,825	1,616	24,734,850	15,306	9,000
2006	3,070	2,512	1,609	24,986,700	15,529	10,000
2005	2,836	2,317	1,520	19,260,550	12,671	9,000
2004	2,893	2,383	1,464	15,795,900	10,790	7,500
2003	2,661	2,155	1,444	15,456,700	10,704	7,500
2002	3,019	2,519	1,646	15,063,100	9,151	6,200