Year % (cumulative) 1980 8.77311038970947 1990 13.1934204101562 1997 16.2114162445068 2000 10.1131496429443 2003 17.7867088317871 2008 18.2319641113281 2010 19.6604499816895 2019 23.1291103363037 2022 13.2349100112915 2023 13.4524345397949