Year % 1994 11.3079532604599 1995 9.53518788671462 1996 8.68201473902186 1997 9.197801660170581 1998 9.1510580695066 1999 3.48961006863248 2018 3.9275 2019 4.4813 2020 1.916 2021 4.8628 2022 0.2874