pre_text: General and Administrative Expenses: General and administrative expenses primarily consist of personnel related expenditures for IT, finance, legal and human resources support functions; and professional services fees. (1) Excluding stock-based compensation Excluding the effects of currency rate fluctuations, total general and administrative expenses increased in fiscal 2019 compared to fiscal 2018 primarily due to increased professional services fees
table: Year Ended May 31,
table: Percent Change
table: (Dollars in millions) 2019 Actual Constant 2018
table: General and administrative (1) $1,093 -1% 2% $1,102
table: Stock-based compensation 172 -5% -5% 180
table: Total expenses $1,265 -1% 1% $1,282
table: % of Total Revenues 3% 3%
question: Analyse this data from a financial earnings document. By how much less did the company spend for stock-based compensation in 2019 compared to 2018?