The Cottagers started the campaign surprisingly well given the fact they lost a number of key players during the summer, including Clint Dempsey, Mousa Dembele and Danny Murphy.
Things have taken a turn for the worse in recent times, though, with Fulham just six points off the drop zone after one win in 11 attempts.
They welcome ninth-placed Swansea to Craven Cottage and manager Jol believes his team would also be enjoying a successful campaign if it was not for the impact of injuries and suspensions.
"Last year Swansea played well but we still managed to finish ahead of them in a very good position," the Dutchman said.
"It is a very talented team, they play with a good culture but I have to say they can play in the same kind of line-up all the time.
"They have one or two different players maybe. They are in a very good situation.
"You see all these teams playing with the same sides all the time, they pick up the points and we had a big problem. I have to admit that.
"We had to change it around all the time and that didn't help us so Swansea is a team.
"If you see Michu up front or sometimes in the hole, he scores a lot of goals. He is there top scorer so he is certainly making the difference for them."
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