Fix links

Author: maneatingape

README.md

@@ -60,7 +60,7 @@ Performance is reasonable even on older hardware, for example a 2011 MacBook Pro
 
 ![pie-all]
 
-| Year | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
+| Year | [2015](#2015) | [2016](#2016) | [2017](#2017) | [2018](#2018) | [2019](#2019) | [2020](#2020) | [2021](#2021) | [2022](#2022) | [2023](#2023) | [2024](#2024) |
 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
 | Benchmark (ms) | 24 | 119 | 88 | 35 | 16 | 270 | 9 | 8 | 6 | 5 |