What was the change in Restricted cash included in other long-term assets from 2018 to 2019?
{"Cash and cash equivalents": {"2019": 172960, "2018": 172704}, "Restricted cash included in other long-term assets": {"2019": 116, "2018": 114}, "Total cash, cash equivalents and restricted cash reported on the Consolidated Statements of Cash Flows": {"2019": 173076, "2018": 172818}}
restricted_cash_2019 = df["Restricted cash included in other long-term assets"]["2019"]
restricted_cash_2018 = df["Restricted cash included in other long-term assets"]["2018"]
answer = restricted_cash_2019 - restricted_cash_2018