Real$-$Time Data Analysis Exercise$*$

Consider the following data for the United States:

$\backslash$table$[[$Year$,\backslash$table$[[$Nominal GDP$],[($$ billion$)]],\backslash$table$[[$Population$],[($million$)]],\backslash$table$[[$GDP$],[$Deflator$]]],[2007,14,474\mathrm{.}2,302\mathrm{.}0,88\mathrm{.}7],[,2008,14,769\mathrm{.}9,304\mathrm{.}8]]$

$*$Real$-$time data provided by Federal Reserve Economic Data $($FRED$),$ Federal Reserve Bank of Saint Louis.

Calculate the United State's economic growth rate during the year.

The U$.$S$.$ economic growth rate is $\%.($Enter your response rounded to two decimal places and include a minus sign if necessary.$)$