L371 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 WEAR 2018APR 2 0.0556 0 . WEAR 2018OCT 3 -1.1534 1 0.0000 WEAR 2019APR 4 -0.3512 2 0.5000 WEAR 2019OCT 10 0.2589 6 0.7601 WEAR 2020APR 7 0.5933 5 0.7483 WEAR 2020OCT 8 0.1865 5 0.8602 WEAR 2021APR 9 0.3245 6 0.7303 WEAR 2021OCT 5 0.3841 2 0.5000 WEAR 2022APR 2 0.7143 1 0.0000 WEAR 2022OCT 7 0.2381 5 0.9832 WEAR 2023APR 10 0.0730 7 0.8729 WEAR 2023OCT 10 0.8286 7 0.4577 WEAR 2024APR 8 0.6806 5 0.8602 WEAR 2024OCT 4 -0.0040 1 0.0000 WEAR 2025APR 8 0.4762 5 0.5916 WEAR 2025OCT 1 0.5714 0 . RIDG 2018APR 2 -0.1310 0 . RIDG 2018OCT 3 0.8667 1 0.0000 RIDG 2019APR 4 -0.0167 2 0.5000 RIDG 2019OCT 10 0.6498 6 0.4944 RIDG 2020APR 7 -0.4841 5 0.7071 RIDG 2020OCT 8 -0.6806 5 1.3565 RIDG 2021APR 9 0.5000 6 0.5578 RIDG 2021OCT 5 0.3778 2 0.0000 RIDG 2022APR 2 0.0000 1 0.7071 RIDG 2022OCT 7 0.3413 5 0.5164 RIDG 2023APR 10 0.0750 7 0.6986 RIDG 2023OCT 10 0.3778 7 0.5164 RIDG 2024APR 8 1.1493 5 1.3565 RIDG 2024OCT 4 0.2500 1 0.0000 RIDG 2025APR 8 -0.1076 5 1.0724 RIDG 2025OCT 1 0.0000 0 . RIPP 2018APR 2 -0.6146 0 . RIPP 2018OCT 3 -2.9875 1 0.7071 RIPP 2019APR 4 -3.3500 2 1.0000 RIPP 2019OCT 10 -0.7680 6 1.2019 RIPP 2020APR 7 0.3070 5 0.8000 RIPP 2020OCT 8 -0.2122 5 1.0296 RIPP 2021APR 9 0.2067 6 0.8028 RIPP 2021OCT 5 -0.5723 2 0.5000 RIPP 2022APR 2 0.3636 1 0.0000 RIPP 2022OCT 7 0.0170 5 1.6330 RIPP 2023APR 10 -0.3450 7 0.9759 RIPP 2023OCT 10 -0.5318 7 1.4475 RIPP 2024APR 8 0.1154 5 1.0677 RIPP 2024OCT 4 -0.3715 1 0.7071 RIPP 2025APR 8 -0.0739 5 0.5000 RIPP 2025OCT 1 -0.2500 0 . SPIT 2018APR 2 -0.1842 0 . SPIT 2018OCT 3 0.0000 1 0.0000 L371 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 SPIT 2019APR 4 0.2763 2 0.7500 SPIT 2019OCT 10 0.2854 6 1.4196 SPIT 2020APR 7 -0.5042 5 0.0000 SPIT 2020OCT 3 0.2500 1 0.0000 SPIT 2021APR 6 -0.6833 4 0.1000 SPIT 2021OCT 3 0.3167 1 0.0000 SPIT 2022OCT 7 0.0071 5 0.0000 SPIT 2023APR 7 -0.2000 5 0.6122 SPIT 2023OCT 7 0.6500 5 0.3600 SPIT 2024APR 7 -0.2786 5 1.8662 SPIT 2024OCT 3 0.6500 1 0.0707 SPIT 2025APR 4 0.1000 2 0.3041 SPIT 2025OCT 1 0.0000 0 .