Year % gross 1976 36.5925102233887 1977 38.8290405273438 1980 46.9083786010742 1990 35.3092803955078 1998 55.9722709655762 2015 88.197998046875 2016 88.6389999389648 2017 88.9570007324219 2018 90.6350021362305 2019 93.1539993286133 2020 93.7900009155273 2021 96.0670013427734 2022 97.2490005493164