What does Jeremiah 52:31 mean?

And it came to pass in the seven and thirtieth year of the captivity of Jehoiachin king of Judah, in the twelfth month, in the five and twentieth day of the month, that Evil-merodach king of Babylon, in the first year of his reign, lifted up the head of Jehoiachin king of Judah, and brought him forth out of prison;

And it came to pass in the seven and thirtieth year of the captivity of Jehoiachin king of Judah, in the twelfth month, in the five and twentieth day of the month, that Evil–merodach king of Babylon in the first year of his reign lifted up the head of Jehoiachin king of Judah, and brought him forth out of prison,

And it came to pass in the seven and thirtieth year of the captivity of Jehoiachin king of Judah, in the twelfth month, in the five and twentieth day of the month, that Evil-merodach king of Babylon, in the first year of his reign, lifted up the head of Jehoiachin king of Judah, and brought him forth out of prison;

And in the thirty-seventh year after Jehoiachin, king of Judah, had been taken prisoner, in the twelfth month, on the twenty-fifth day of the month, Evil-merodach, king of Babylon, in the first year after he became king, took Jehoiachin, king of Judah, out of prison.

And it cometh to pass, in the thirty and seventh year of the removal of Jehoiachin king of Judah, in the twelfth month, in the twenty and fifth of the month, hath Evil-Merodach king of Babylon lifted up, in the year of his reign, the head of Jehoiachin king of Judah, and bringeth him out from the house of restraint,

And it came to pass in the seven and thirtieth year of the captivity of Joachin king of Juda, in the twelfth month, the five and twentieth day of the month, that Evilmerodach king of Babylon, in the first year of his reign, lifted up the head of Joachin king of Juda, and brought him forth out of prison.

And it came to pass in the thirty-seventh year of the captivity of Jehoiachin king of Judah, in the twelfth month, on the twenty-fifth of the month, [that] Evil-Merodach king of Babylon, in the year that he began to reign, lifted up the head of Jehoiachin king of Judah, and brought him forth out of prison;