IIIGB 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
                                                                       
  PHOS         2009APR          12      0.0846            8      2.6098
  PHOS         2009OCT          21     -0.1645           18      1.6760
  PHOS         2010APR          24     -0.5260           20      3.1215
  PHOS         2010OCT          22     -0.3481           19      1.5243
  PHOS         2011APR          13      0.0151           10      1.7467
  PHOS         2011OCT          13     -0.4867           10      2.4179
  PHOS         2012APR          15     -0.1212           12      1.8769
  PHOS         2012OCT          13     -0.3097           10      1.3496
  PHOS         2013APR          13      0.7605           10      2.1747
  PHOS         2013OCT          10     -0.1374            7      2.2140
  PHOS         2014APR          11     -0.0078            8      1.7449
  PHOS         2014OCT           9      0.4605            6      0.9982
  PHOS         2015APR          11      0.3442            7      3.3541
  PHOS         2015OCT           9      0.3564            6      2.3938
  PHOS         2016APR          11      0.5724            7      2.1331
  PHOS         2016OCT           5      0.7057            3      2.8449
  PHOS         2017APR           7     -0.1916            5      0.9575
  PHOS         2017OCT           4      1.0237            1      0.0990
  PHOS         2018APR           4      1.4076            1      0.4808
  PHOS         2018OCT           1     -1.6491            0       .