Table 3.

Rate of change in each index value in each year.

Year	$\frac{\mathbf{\Delta }\mathit{G}}{\mathit{G}}$	$\frac{\mathbf{\Delta }{\mathit{P}}_1}{{\mathit{P}}_1}$	$\frac{\mathbf{\Delta }{\mathit{P}}_2}{{\mathit{P}}_2}$	$\frac{\mathbf{\Delta }{\mathit{P}}_3}{{\mathit{P}}_3}$
2009	−0.061883	−0.004068	−0.063669	0.023567
2010	0.054671	−0.036438	−0.073394	0.084181
2011	0.151375	−0.039342	0.011066	0.001896
2012	0.045445	−0.027361	−0.087558	0.034822
2013	−0.005055	−0.034846	−0.012626	0.011339
2014	0.038610	−0.026890	−0.000639	0.055244
2015	0.063980	−0.021063	−0.008957	0.031788
2016	0.114748	0.102250	0.199484	0.063279
2017	0.023095	−0.036891	−0.011841	−0.005779