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Season ending —USBC Members —Certified Lanes
1997 — 4,405,032 — 138,465
1998 — 4,155,939 —139,125
1999 — 3,933,553 —134,152
2000 — 3,756,651 —130,655
2001 — 3,553,422 —128,440
2002 — 3,382,507 —126,854
2003 — 3,245,873 —124,835
2004 — 3,112,037 —120,412
2005 — 2,896,053 —121,619
2006 — 2,728,590 —116,062
2007 — (interpolated) — (interpolated)
2008 — (interpolated) — (interpolated)
2009 — (interpolated) — (interpolated)
2010 — 2.10 — 114,223
2011 — 2.10 — 107,898
2012 — 1.90 — 106,855
2013 — 1.79 — 103,066
2014 — 1.69 — 98,831
2015 — 1.57 — 95,430
2016 — 1.49 — 94,985
2017 — 1.42 — 92,474
2018 — 1.34 — 91,511
2019 — 1.29 — 87,967
2020 — 1.21 — 84,070
(COVID)
2023 — 1.09 — 82,096
Season ending: — Certified Centers
1997 — 6,986
1998 — 6,857
1999 — 6,712
2000 — 6,560
2001 — 6,309
2002 — 6,246
2003 — 6,070
2004 — 6,024
2005 — 5,912
2006 — 5,647
2007 — (interpolated)
2008 — (interpolated)
2009 — (interpolated)
2010 — 5,490
2011 — 5,160
2012 — 5,047
2013 — 4,880
2014 — 4,666
2015 — 4,489
2016 — 4,466
2017 — 4,339
2018 — 4,054
2019 — 4,029
2020 — 3,864
(COVID)
2023 — 3,795
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