Iterate nested array through tbody

let comparetable = [
        {
          id: "F75",
          name: "testuser1",
          type: "student",
          2022: [
            {
              subject1: 12,
              subject2: 12,
              subject3: 39
            },
            {
               subject1: 12,
              subject2: 12,
              subject3: 39
            }
          ],

          2021: [
             {
              subject1: 12,
              subject2: 12,
              subject3: 39
            },
            {
               subject1: 12,
              subject2: 12,
              subject3: 39
            }
          ],       
        },

        {
          id: "F756",
          name: "testuser2",
          type: "student",

          2022: [
              {
              subject1: 12,
              subject2: 12,
              subject3: 39
            },
            {
               subject1: 12,
              subject2: 12,
              subject3: 39
            }
          ],

          2021: [
              {
              subject1: 12,
              subject2: 12,
              subject3: 39
            },
            {
               subject1: 12,
              subject2: 12,
              subject3: 39
            }
          ]      
        },
]

how to iterate nested array in tbody. here year only contain in array need to loop that in same table, i was tried out with initially i was iterate array and check object.key is array and then tried to loop in tbody .