Year	gross (GPI)
1990	0.868920028209686
1998	0.91117000579834
2001	0.965650022029877
2014	1.1769700050354
2015	1.20958995819092
2016	1.17127001285553
2018	1.13938999176025
2019	1.08516001701355
2020	1.01297998428345
2021	1.06449997425079