VIN-to-Year Guide - Source
This rule concerns vehicles manufactured from 1981 onwards. - Note: VINs omit the letters I, O, Q, U, Z, and the digit 0 for models...

VIN Year Reference | Tenth Position VIN Table - Source
The tenth character of the VIN designates the vehicle's model year, using a sequence of numbers and letters as outlined in the VIN year chart.

Vehicle Identification Number (VIN) Model Year Codes | Source USA
The model year of the vehicle is indicated by a numeral or letter located in the 10th position from the left within the VIN.