This stacked bar chart displays the percentage of prison admissions with a gun enhancement each year, segmented into two categories: "Affected by SB 620" (dark blue) and "Not affected by SB 620" (orange). A vertical dashed line indicates when SB 620 took effect at the beginning of 2018. Before the reform took effect, the total percentage of admissions with gun enhancements fluctuated between 5.4% and 5.7%. After 2018, the portion of admissions "Not affected by SB 620” shows a steady decline from 0.9% to 0.6%. The "Affected" portion shows more volatility, dropping to a low of 3.5% in 2020 before rising to a peak of 5.6% in 2024, bringing the total percentage of admissions with gun enhancements to 6.1% in that year.