Past Months Blueberry Muffins Cinnamon buns Cupcakes

$1301843$

$2341729$

$3321926$

$4341923$

$5352249$

$6302332$

$7342320$

$8362514$

$9292452$

$10312630$

$11352724$

$12312822$

$1337$

$2955$

$14353135$

$15343328$

$16323026$

calculate the Seasonal Decomposition of Time Series