Table 1.

Number of participants and mean (SD) of body mass index (BMI) over time

	n	Mean	SD
1992	11,189	27.1	5.2
1994	17,617	26.4	5.0
1996	16,092	26.5	5.1
1998	19,056	26.8	5.2
2000	17,372	27.0	5.4
2002	16,021	27.1	5.5
2004	17,409	27.4	5.7
2006	16,068	27.8	5.9
2008	14,958	27.9	5.9
2010	18,106	28.4	6.2
2012	16,847	28.4	6.2
2014	15,254	28.5	6.3
2016	16,200	28.9	6.4