age_group,q3_2020_excess_pct,q3_2021_excess_pct,delta_worsening_pp,q2_2020_trough_pct,q2_2021_trough_pct,q2_2022_trough_pct,trough_decline_pp
25-34,28.3,49.8,21.4,30.9,33.8,22.7,8.2
35-44,31.8,68.9,37.1,31.1,37.8,29.9,1.2
45-54,24.5,53.0,28.6,24.9,19.0,7.5,17.4
65-74,23.4,38.0,14.6,23.4,15.9,11.3,12.1