pre_text: The total fair value of RSUs and PSUs granted and vested during the years ended December 31, 2019, 2018 and 2017 were as follows: As of December 31, 2019, there was $1.1 billion of unrecognized compensation cost related to non-vested RSUs, which will be recognized on a straight-line basis over the remaining weighted average contractual term of approximately 2.5 years. In connection with vesting and release of RSUs and PSUs, the tax benefits realized by the company for the years ended December 31, 2019, 2018 and 2017 were $131 million, $117 million and $180 million, respectively.
table: ($ in millions)
table: For the year ended December 31: 2019 2018 2017
table: RSUs
table: Granted $674 $583 $484
table: Vested 428 381 463
table: PSUs
table: Granted $164 $118 $113
table: Vested 118 101 51
question: Analyse this data from a financial earnings document. What is the increase / (decrease) in the RSUs Granted from 2018 to 2019?