Hi this is my pay history - 35 yr old male. Am I under or overpaid?

2007 - $2800 (Join Engineer private sector)
2008 - $3200 (Engineer Private Sector - Increment)
2009 - $3700 (Join Govt Stat Board)
2010 - $3700 (Join Consultating Company - Govt owned)
2011 - $4000 (Join Govt Stat Board - Increment)
2012 - $4600 (Govt Stat Board - Salary adjustment + Increment)
2013 - $4900 (Govt Stat Board - Increment)
2014 - $5500 (Join Govt Ministry - DXO scheme adjustment)
2015 - $5700 (Govt Ministry - DXO scheme Increment)
2016 - $6000(Govt Ministry - DXO scheme Increment)
2017 - $6300 (Govt Ministry DXO scheme Increment)