Blackhawks Penalty Kill Game-By-Game Numbers

The chart below shows what the Blackhawks season penalty kill percentage was after each game of the season. The chart also shows the league best, league average, and league worst PK% with the three reference lines. As you can see, since around Hossa’s injury (game 55), the Blackhawks season PK% has dipped well below league average.  
Now if you don’t like line charts, here is the same chart in area form.

  
And finally here is total goals given up while on the penalty kill game-by-game.