BOS has had one more recently than you in Jan '22.
Before that both Jan and Feb '15, Feb '13, Jan '11, Jan '05, Feb '03, Jan '96, Jan and Feb '94.
Then you have to go back to Jan '78 (but *not* Feb), Feb '69, Mar '56, Jan '48, Jan '38.
So, five from 1938-1988
10 and counting 1988-2038.