In-sample predictions (changes):
     Response Predicted value
2001  3.97399              NA
2002  2.36275          3.1911
2003  5.83842          3.8254
2004  8.59525          5.7304
2005  7.14708          4.7326
2006  9.81257          8.7435
2007  8.78514          8.7864
2008  4.75311          5.8039
2009 -6.69604         -5.0328
2010 -0.80264         -1.4775
2011  4.95002          4.8910
2012 -0.27211          0.9766
2013  0.09095         -0.3409
2014 -1.72649         -3.0229
2015 -3.60610         -2.6202
2016  0.23981         -0.5339
2017  6.02871          6.4588
2018  4.37726          4.1779
2019  5.96628          7.4314
