# | Tier | Division | G | W | D | L | GF | GA | Pts | +- | ||
1971 | Chilean Primera División | 34 | 12 | 8 | 14 | 36 | 47 | 32 | -11 | |||
1972 | Chilean Primera División | 34 | 8 | 10 | 16 | 45 | 54 | 26 | -9 | |||
1973 | Chilean Primera División | 34 | 14 | 15 | 5 | 50 | 33 | 43 | 17 | |||
1974 | Chilean Primera División | 34 | 11 | 10 | 13 | 44 | 45 | 32 | -1 | |||
1975 | Chilean Primera División | 34 | 8 | 9 | 17 | 46 | 59 | 25 | -13 | Relegated | ||
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1977 | Chilean Primera División | 34 | 10 | 11 | 13 | 40 | 44 | 31 | -4 | |||
1978 | Chilean Primera División | 34 | 17 | 8 | 9 | 64 | 39 | 42 | 25 | |||
1979 | Chilean Primera División | 34 | 18 | 7 | 9 | 47 | 40 | 43 | 7 | |||
1980 | Chilean Primera División | 34 | 15 | 10 | 9 | 47 | 32 | 40 | 15 | |||
1981 | Chilean Primera División | 30 | 9 | 9 | 12 | 40 | 44 | 27 | -4 | |||
1982 | Chilean Primera División | 30 | 12 | 10 | 8 | 48 | 39 | 34 | 9 | |||
1983 | Chilean Primera División | 42 | 12 | 14 | 16 | 61 | 69 | 38 | -8 | |||
1984 | Chilean Primera División Zona Sur | 26 | 11 | 7 | 8 | 32 | 30 | 29 | 2 | |||
1985 | Chilean Primera División | 38 | 5 | 11 | 22 | 40 | 67 | 21 | -27 | Relegated | ||
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1988 | Chilean Primera División | 30 | 10 | 6 | 14 | 36 | 43 | 26 | -7 | |||
1989 | Chilean Primera División | 30 | 9 | 13 | 8 | 37 | 29 | 31 | 8 | |||
1990 | Chilean Primera División | 30 | 15 | 4 | 11 | 52 | 45 | 35 | 7 | |||
1991 | Chilean Primera División | 30 | 15 | 7 | 8 | 50 | 33 | 37 | 17 | |||
1992 | Chilean Primera División | 30 | 11 | 7 | 12 | 45 | 43 | 29 | 2 | |||
1993 | Chilean Primera División | 30 | 12 | 8 | 10 | 37 | 32 | 32 | 5 | |||
1994 | Chilean Primera División | 30 | 13 | 13 | 4 | 45 | 38 | 39 | 7 | |||
1995 | Chilean Primera División | 30 | 10 | 12 | 8 | 52 | 41 | 42 | 11 | |||
1996 | Chilean Primera División | 30 | 5 | 7 | 18 | 41 | 61 | 22 | -20 | |||
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1998 | Chilean Primera B | 30 | 19 | 2 | 9 | 61 | 39 | 59 | 22 | Promoted | ||
1999 | Chilean Primera División | 44 | 18 | 8 | 18 | 77 | 86 | 62 | -9 | |||
2000 | Chilean Primera División | 30 | 10 | 6 | 14 | 43 | 52 | 36 | -9 | |||
2001 | Chilean Primera División | 30 | 7 | 4 | 19 | 39 | 64 | 25 | -25 | Relegated | ||
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2006A | Chilean Primera División Group D | 18 | 5 | 6 | 7 | 20 | 25 | 21 | -5 | |||
2006C | Chilean Primera División Group 2 | 18 | 10 | 5 | 3 | 31 | 20 | 35 | 11 | |||
2007A | Chilean Primera División | 20 | 8 | 3 | 9 | 30 | 38 | 27 | -8 | |||
2007C | Chilean Primera División Group 4 | 20 | 9 | 7 | 4 | 28 | 23 | 34 | 5 | |||
2008A | Chilean Primera División Group 2 | 19 | 10 | 6 | 3 | 30 | 17 | 36 | 13 | |||
2008C | Chilean Primera División Group 3 | 18 | 8 | 4 | 6 | 39 | 35 | 28 | 4 | |||
2009A | Chilean Primera División | 17 | 7 | 4 | 6 | 25 | 26 | 25 | -1 | |||
2009C | Chilean Primera División | 17 | 4 | 7 | 6 | 17 | 23 | 19 | -6 | |||
2010 | Chilean Primera División | 34 | 10 | 11 | 13 | 46 | 44 | 41 | 2 | |||
2011A | Chilean Primera División | 17 | 8 | 3 | 6 | 29 | 26 | 27 | 3 | |||
2011C | Chilean Primera División | 17 | 4 | 5 | 8 | 23 | 26 | 17 | -3 | |||
2012A | Chilean Primera División | 17 | 11 | 2 | 4 | 31 | 15 | 35 | 16 | |||
2012C | Chilean Primera División | 17 | 5 | 5 | 7 | 22 | 27 | 20 | -5 | |||
2013 | Chilean Primera División | 17 | 9 | 4 | 4 | 28 | 19 | 31 | 9 | |||
2014A | Chilean Primera División | 17 | 12 | 3 | 2 | 28 | 13 | 39 | 15 | Champions | ||
2014C | Chilean Primera División | 17 | 8 | 6 | 3 | 20 | 12 | 30 | 8 | |||
2015A | Chilean Primera División | 17 | 6 | 5 | 6 | 27 | 25 | 23 | 2 | |||
2015C | Chilean Primera División | 17 | 6 | 6 | 5 | 21 | 23 | 24 | -2 |