D6417 Industry Statistics Based Upon LTMS Data Sets April Period =10/1 to 3/31 October Period =4/1 to 9/30 pooled s is by reference material ( example: oil) Degrees of Pooled Parameter Period N-size Average Yi Freedom s ƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒ VOL 2001APR 18 0.5696 15 0.5050 VOL 2001OCT 16 0.6460 13 0.5376 VOL 2002APR 14 -0.3612 11 0.4794 VOL 2002OCT 16 -0.2926 13 0.3369 VOL 2003APR 15 -0.4660 12 0.3896 VOL 2003OCT 14 -0.4497 11 0.3603 VOL 2004APR 15 -0.4237 12 0.4996 VOL 2004OCT 15 0.2791 12 0.3988 VOL 2005APR 16 -0.0353 13 0.4608 VOL 2005OCT 17 -0.2149 14 0.6136 VOL 2006APR 11 -0.5780 8 0.2332 VOL 2006OCT 12 0.3599 9 0.4455 VOL 2007APR 12 -0.1746 9 0.5397 VOL 2007OCT 12 0.2199 9 0.3117 VOL 2008APR 14 0.8359 11 0.2912 VOL 2008OCT 14 0.5430 11 0.3442 VOL 2009APR 14 -0.1038 11 0.2342 VOL 2009OCT 15 0.2252 12 0.3363 VOL 2010APR 13 0.0776 10 0.3281 VOL 2010OCT 16 0.4081 13 0.3048 VOL 2011APR 20 0.0617 17 0.3848 VOL 2011OCT 16 0.2137 13 0.3667 VOL 2012APR 14 0.1746 11 0.2415 VOL 2012OCT 15 -0.1931 12 0.2792 VOL 2013APR 14 0.0429 11 0.2157 VOL 2013OCT 17 0.1662 14 0.5628 VOL 2014APR 15 0.4166 12 0.6572 VOL 2014OCT 15 -0.3525 12 0.3418 VOL 2015APR 14 -0.0136 11 0.4013 VOL 2015OCT 16 -0.3586 13 0.5719 VOL 2016APR 13 0.0424 10 0.1948 VOL 2016OCT 11 0.2410 8 0.3367 VOL 2017APR 13 0.7688 10 0.3473 VOL 2017OCT 15 -0.0072 12 0.3691 VOL 2018APR 15 0.1377 12 0.2583 VOL 2018OCT 16 0.1543 13 0.3649 VOL 2019APR 19 0.3463 16 0.4303 VOL 2019OCT 19 0.0909 16 0.1731 VOL 2020APR 17 0.0943 14 0.3041 VOL 2020OCT 16 -0.3383 13 0.4057 VOL 2021APR 21 -0.8124 18 0.4681 VOL 2021OCT 17 -0.2796 14 0.3852 VOL 2022APR 20 0.1254 17 0.5108 VOL 2022OCT 19 -0.6706 16 0.4777 VOL 2023APR 18 0.4113 15 0.4279 VOL 2023OCT 16 -0.0168 13 0.3429 VOL 2024APR 18 0.2508 15 0.2704 VOL 2024OCT 11 0.0883 8 0.3111