What was the increase / (decrease) in the Outstanding, beginning of the year from 2018 to 2019?
{"Outstanding, beginning of the year": {"2019": 105475, "2018": 101538}, "Granted": {"2019": 37600, "2018": 47900}, "Distributed": {"2019": -44470, "2018": -35892}, "Cancelled": {"2019": -26780, "2018": -8071}, "Outstanding, end of the year": {"2019": 71825, "2018": 105475}}
outstanding_beginning_of_the_year_2019 = df["Outstanding, beginning of the year"]["2019"]
outstanding_beginning_of_the_year_2018 = df["Outstanding, beginning of the year"]["2018"]
answer = outstanding_beginning_of_the_year_2019 - outstanding_beginning_of_the_year_2018