1987,1988,1988,1988,1989,1989,1989,1990,1991,1991,1992,1992,1993,1994,1995,1996,1996,1997,1997,1997,1997,1997,1997,1997,1996,1995,1995,1995,1995,1994,1994,1994,1993,1993,1992,1992,1991,1990,1990,1989,1989,1988,1988,1988,1987,1987,1987,1987,1987,1987;841,841,840,839,839,838,837,837,837,836,836,835,835,835,835,835,836,836,837,838,839,840,841,842,842,842,843,844,845,845,846,847,847,848,848,849,849,849,848,848,847,847,846,845,845,844,843,842,841,841