Fig. 4

Left upper/lower panels: Average maximum SP/KSS scores and their standard errors under the current RBAC 117 rules (red squares/circles) and with the proposed mitigations (blue squares/circles). Also shown the 2023 annual averages with mitigations (magenta lines) both for SP (upper) and KSS (lower) scores. Right upper/lower panels: Maximum SP/KSS distributions under the RBAC rules (red histograms) and with the proposed mitigations (blue histograms).