# | Tier | Division | G | W | D | L | GF | GA | Pts | +- | ||
1996 | Major League Soccer Western Conference | 32 | 15 | 4 | 13 | 59 | 49 | 49 | 10 | |||
1997 | Major League Soccer Western Conference | 30 | 14 | 2 | 14 | 55 | 44 | 44 | 11 | |||
1998 | Major League Soccer Western Conference | 32 | 22 | 2 | 8 | 85 | 44 | 68 | 41 | |||
1999 | Major League Soccer Western Conference | 32 | 17 | 3 | 12 | 49 | 29 | 54 | 20 | |||
2000 | Major League Soccer Western Conference | 32 | 14 | 8 | 10 | 47 | 37 | 50 | 10 | |||
2001 | Major League Soccer Western Conference | 26 | 14 | 5 | 7 | 52 | 36 | 47 | 16 | |||
2002 | Major League Soccer Western Conference | 28 | 16 | 3 | 9 | 44 | 33 | 51 | 11 | Champions | ||
2003 | Major League Soccer Western Conference | 30 | 9 | 9 | 12 | 35 | 35 | 36 | 0 | |||
2004 | Major League Soccer Western Conference | 30 | 11 | 10 | 9 | 42 | 40 | 43 | 2 | |||
2005 | Major League Soccer Western Conference | 32 | 13 | 6 | 13 | 44 | 45 | 45 | -1 | Champions | ||
2006 | Major League Soccer Western Conference | 32 | 11 | 6 | 15 | 37 | 37 | 39 | 0 | |||
2007 | Major League Soccer Western Conference | 30 | 9 | 7 | 14 | 38 | 48 | 34 | -10 | |||
2008 | Major League Soccer Western Conference | 30 | 8 | 9 | 13 | 55 | 62 | 33 | -7 | |||
2009 | Major League Soccer Western Conference | 30 | 12 | 12 | 6 | 36 | 31 | 48 | 5 | |||
2010 | Major League Soccer Western Conference | 30 | 18 | 5 | 7 | 44 | 26 | 59 | 18 | |||
2011 | Major League Soccer Western Conference | 34 | 19 | 10 | 5 | 48 | 28 | 67 | 20 | Champions | ||
2012 | Major League Soccer Western Conference | 34 | 16 | 6 | 12 | 59 | 47 | 54 | 12 | Champions | ||
2013 | Major League Soccer Western Conference | 34 | 15 | 8 | 11 | 53 | 38 | 53 | 15 | |||
2014 | Major League Soccer Western Conference | 34 | 17 | 10 | 7 | 69 | 37 | 61 | 32 | Champions | ||
2015 | Major League Soccer Western Conference | 34 | 14 | 9 | 11 | 56 | 46 | 51 | 10 | |||
2016 | Major League Soccer Western Conference | 34 | 12 | 16 | 6 | 54 | 39 | 52 | 15 | |||
2017 | Major League Soccer Western Conference | 34 | 8 | 8 | 18 | 45 | 67 | 32 | -22 | |||
2018 | Major League Soccer Western Conference | 34 | 13 | 9 | 12 | 66 | 64 | 48 | 2 | |||
2019 | Major League Soccer Western Conference | 34 | 16 | 3 | 15 | 56 | 55 | 51 | 1 | |||
2020 | Major League Soccer Western Conference | 22 | 6 | 4 | 12 | 27 | 46 | 22 | -19 |