1986,1987,1987,1988,1988,1989,1989,1990,1991,1991,1992,1992,1993,1993,1994,1994,1995,1996,1996,1997,1997,1998,1998,1999,1999,1999,1999,1998,1997,1997,1996,1995,1994,1994,1993,1992,1992,1991,1991,1990,1990,1989,1988,1987,1986,1986,1986,1986,1986,1986;873,873,872,872,871,871,870,870,870,869,869,868,868,867,867,866,866,866,867,867,868,868,869,869,870,871,872,872,872,873,873,873,873,874,874,874,875,875,876,876,877,877,877,877,877,876,875,874,873,873