Table:
text: Pittsburgh Riverhounds
Year-by-year
Year-by-year
Year_ Division League Regular_Season Playoffs U_S_Open_Cup Avg_Attendance
2007 On Hiatus On Hiatus On Hiatus On Hiatus On Hiatus On Hiatus
2008 3 USL Second Division 8th Did not qualify 2nd Round 1258
2009 3 USL Second Division 8th Did not qualify 1st Round 1178
2010 3 USL Second Division 3rd Semifinals 2nd Round 941
2011 3 USL Pro 4th, National Division Quarterfinals 2nd Round 1127
2012 3 USL Pro 10th Did Not Qualify 2nd Round 984
2013 3 USL Pro 7th Quarterfinals 2nd Round 3504

Question: What regular season was 2013 for the Pittsburgh Riverhounds year after year?