Raikkonen, who scored 116 points and four podiums this year, was able to score twice as many points as last year.
Fin driver, who took pole position for the first time since 2008 at the Monaco Grand Prix this year, has not won yet and is 76 points behind teammate Sebastian Vettel in the drivers championship.
"I want to win races and be there all the time.
"When we consider the races we have left behind so far, I am not very happy with where we are, but this is what we have achieved up to now and we can not change it."
Kimi Raikkonen, who won his last victory in 2013, said he would continue racing in Formula 1 if he fights for the upper seats.