1988,1989,1991,1994,1998,2004,2009,2014,2018,2020,2021,2021,2020,2018,2014,2010,2006,2001,1997,1993,1990,1988,1988;1161,1164,1167,1170,1172,1173,1173,1170,1166,1162,1158,1154,1150,1147,1142,1140,1140,1140,1141,1144,1148,1152,1156