Year % gross 1984 1.49126005172729 1985 1.72377002239227 1987 1.90819001197815 2000 3.58667993545532 2001 3.6903600692749 2002 3.6866500377655 2004 3.65220999717712 2005 3.71688008308411 2009 4.67703008651733 2015 10.9685001373291 2016 13.9434604644775 2017 13.8689098358154 2018 21.242000579834 2019 22.3600006103516 2020 22.9850006103516 2021 23.6270008087158 2022 23.0389995574951