'Years' in the Bible

Now Eli was ninety-eight years old; and his eyes were set, so that he could not see.

It happened, when he made mention of the ark of God, that Eli fell from off his seat backward by the side of the gate; and his neck broke, and he died; for he was an old man, and heavy. He had judged Israel forty years.

It happened, from the day that the ark stayed in Kiriath Jearim, that the time was long; for it was twenty years: and all the house of Israel lamented after Yahweh.

Saul was [forty] years old when he began to reign; and when he had reigned two years over Israel,

Now David was the son of that Ephrathite of Bethlehem Judah, whose name was Jesse; and he had eight sons: and the man was an old man in the days of Saul, stricken [in years] among men.

Then the princes of the Philistines said, "What about these Hebrews?" Achish said to the princes of the Philistines, "Isn't this David, the servant of Saul the king of Israel, who has been with me these days, or rather these years, and I have found no fault in him since he fell away to this day?"