7-12<2015>98.99<2016>98.43<2017>97.56<2018>97.26<2019>97.26<2020>99.75<2021>99.77 13-15<2015>90.56<2016>91.87<2017>90.77<2018>91.29<2019>91.29<2020>92.13<2021>92.27 16-18<2015>64.96<2016>63.17<2017>70.14<2018>64.41<2019>64.41<2020>64.7<2021>65.85