How many really shit dinners do I have every year?

I'm assuming a score of 6 and below

The number of really good roast dinners in 2016 was 0 (0% of roasts).
The number of really good roast dinners in 2017 was 9 (24% of roasts).
The number of really good roast dinners in 2018 was 4 (9% of roasts).
The number of really good roast dinners in 2019 was 11 (23% of roasts).
The number of really good roast dinners in 2020 was 1 (4% of roasts).
The number of really good roast dinners in 2021 was 2 (6% of roasts).
The number of really good roast dinners in 2022 was 5 (11% of roasts).
The number of really good roast dinners in 2023 was 3 (7% of roasts).
The number of really good roast dinners in 2024 was 8 (20% of roasts).
The number of really good roast dinners in 2025 is 3 (60% of roasts).