Add 2014 - 2020 and 2023-2024 Arkansas income tax rate

[YichunRen]

Fixes #3826

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 99.16%. Comparing base (70fbb46) to head (b13a937). Report is 12 commits behind head on master.

:exclamation: Current head b13a937 differs from pull request most recent head d8096f8

Please upload reports for the commit d8096f8 to get more accurate results.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4113      +/-   ##
==========================================
+ Coverage   98.99%   99.16%   +0.17%     
==========================================
  Files        2454     2405      -49     
  Lines       35679    34803     -876     
  Branches      184      163      -21     
==========================================
- Hits        35322    34514     -808     
+ Misses        327      259      -68     
  Partials       30       30              

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