Year	Quarter	Series	Platforms	Samples
2023	1	196,132	24,893	5,590,499
2022	4	191,032	24,628	5,453,581
2022	3	184,265	24,345	5,288,723
2022	2	177,729	24,047	5,125,295
2022	1	172,447	23,065	4,970,925
2021	4	167,150	22,894	4,810,651
2021	3	160,895	22,584	4,633,837
2021	2	155,877	22,316	4,499,092
2021	1	148,202	22,021	4,303,019
2020	4	141,659	21,681	4,110,617
2020	3	136,593	21,386	3,895,226
2020	2	131,841	21,064	3,663,848
2020	1	127,155	20,704	3,510,244
2019	4	122,733	20,441	3,357,114
2019	3	118,575	20,138	3,236,018
2019	2	114,759	19,821	3,114,351
2019	1	111,005	19,523	2,952,756
2018	4	106,798	19,218	2,814,665
2018	3	102,870	18,917	2,659,389
2018	2	99,687	18,639	2,537,146
2018	1	96,426	18,288	2,431,253
2017	4	93,026	18,006	2,313,217
2017	3	89,398	17,676	2,205,971
2017	2	85,883	17,379	2,112,116
2017	1	83,047	17,051	2,028,814
2016	4	77,664	16,721	1,919,652
2016	3	73,548	16,408	1,826,765
2016	2	70,689	16,019	1,730,338
2016	1	67,098	15,631	1,650,772
2015	4	64,070	15,276	1,571,637
2015	3	61,169	14,979	1,502,997
2015	2	58,620	14,694	1,436,261
2015	1	56,014	14,082	1,365,067
2014	4	53,616	13,754	1,306,449
2014	3	50,979	13,404	1,241,532
2014	2	48,529	13,068	1,164,438
2014	1	46,329	12,739	1,104,160
2013	4	44,095	12,375	1,054,405
2013	3	41,751	12,060	1,002,821
2013	2	39,232	11,682	949,093
2013	1	37,073	11,305	898,817
2012	4	34,937	10,888	851,684
2012	3	32,847	10,547	807,065
2012	2	30,962	10,220	759,015
2012	1	29,113	9,924	717,617
2011	4	27,341	9,607	672,909
2011	3	25,185	9,264	625,159
2011	2	23,591	8,836	583,088
2011	1	22,049	8,495	541,654
2010	4	20,551	8,124	509,305
2010	3	18,927	7,811	479,600
2010	2	17,493	7,433	448,105
2010	1	16,297	7,126	418,180
2009	4	14,983	6,752	383,179
2009	3	13,740	6,285	353,685
2009	2	12,633	5,887	317,877
2009	1	11,600	5,633	292,870
2008	4	10,671	5,349	272,290
2008	3	9,713	4,982	249,468
2008	2	8,962	4,734	230,724
2008	1	8,224	4,458	210,809
2007	4	7,393	4,214	187,389
2007	3	6,621	3,795	167,914
2007	2	5,944	3,483	151,735
2007	1	5,320	3,217	131,412
2006	4	4,682	2,876	109,420
2006	3	4,228	2,660	99,810
2006	2	3,767	2,309	85,270
2006	1	3,362	2,134	75,581
2005	4	2,869	1,923	63,642
2005	3	2,388	1,649	50,228
2005	2	2,007	1,394	40,860
2005	1	1,763	1,196	33,982
2004	4	1,475	1,082	28,258
2004	3	1,229	858	23,116
2004	2	1,046	782	18,347
2004	1	844	617	14,936
2003	4	628	524	10,386
2003	3	471	279	7,498
2003	2	347	236	6,049
2003	1	188	201	3,972
2002	4	105	169	2,645
2002	3	79	111	2,103
2002	2	60	105	1,874
2002	1	33	77	1,187
2001	4	13	19	670
2001	3	9	14	545
2001	2	2	8	53
2001	1	1	4	48
2000	4	0	2	10
2000	3	0	1	2