Doctor Who: Favourite Modern Era series

I have much debated the fact of which series of new who is the best. Here I wish to see which one I prefer.

Series 1:

Ep1: 8/10
Ep2: 7/10
Ep3: 6/10
Ep4: 7/10
Ep5: 9/10
Ep6: 7/10
Ep7: 8/10
Ep8: 9/10
Ep9: 5/10
Ep10: 8/10
Average: 7.40
Range: 4 (5-9)

Series 2:

X: 8/10
Ep1: 7/10
Ep2: 8/10
Ep3: 8/10
Ep4: 8/10
Ep5: 8/10
Ep6: 5/10
Ep7: 9/10
Ep8: 7/10
Ep9: 5/10
Ep10: 9/10
Average: 7.45
Range: 4 (5-9)

Series 3:

X: 7/10
Ep1: 6/10
Ep2: 6/10
Ep3: 6/10
Ep4: 7/10
Ep5: 6/10
Ep6: 6/10
Ep7: 8/10
Ep8: 9/10
Ep9: 7/10
Average: 6.80
Range: 3 (6-9)

Series 4:

X1: 8/10
Ep1: 8/10
Ep2: 7/10
Ep3: 8/10
Ep4: 7/10
Ep5: 7/10
Ep6: 8/10
Ep7: 8/10
Ep8: 9/10
Ep9: 9/10
Ep10: 9/10
X2: 7/10
S1: 7/10
S2: 8/10
S3: 8/10
Average: 7.87
Range: 2 (7-9)

Series 5:

Ep1: 7/10
Ep2: 7/10
Ep3: 6/10
Ep4: 7/10
Ep5: 6/10
Ep6: 8/10
Ep7: 7/10
Ep8: 8/10
Ep9: 5/10
Ep10: 8/10
Average: 6.80
Range: 3 (5-8)

Series 6:

X: 5/10
Ep1: 7/10
Ep2: 6/10
Ep3: 8/10
Ep4: 7/10
Ep5: 8/10
Ep6: 4/10
Ep7: 7/10
Ep8: 6/10
Ep9: 7/10
Ep10: 8/10
Ep11: 7/10
Average: 6.67
Range: 4 (4-8)

Series 7:

X1: 5/10
Ep1: 8/10
Ep2: 8/10
Ep3: 6/10
Ep4: 8/10
Ep5: 8/10
X2: 7/10
Ep6: 6/10
Ep7: 5/10
Ep8: 8/10
Ep9: 7/10
Ep10: 6/10
Ep11: 5/10
Ep12: 7/10
Ep13: 7/10
S: 10/10
X3: 7/10
Average: 6.94
Range: 5 (5-10)

Series 8:

Ep1: 8/10
Ep2: 7/10
Ep3: 7/10
Ep4: 8/10
Ep5: 6/10
Ep6: 7/10
Ep7: 5/10
Ep8: 8/10
Ep9: 7/10
Ep10: 6/10
Ep11: 8/10
Average: 7.00
Range: 3 (5-8)

So the Scores are:

Series 1: 7.40
Series 2: 7.45
Series 3: 6.80
Series 4: 7.87
Series 5: 6.80
Series 6: 6.67
Series 7: 6.94
Series 8: 7.00

No. 10's: 1
No. 9's: 8
No. 8's: 31
No. 7's: 31
No. 6's: 14
No. 5's: 9
No. 4's: 1
No. 3's: 0
No. 2's: 0
No. 1's: 0

Doctors:

9th Doctor: 7.40 (Range of 4 (5-9))
10th Doctor: 7.37 (Range of 4 (5-9))
11th Doctor: 6.80 (Range of 6 (4-10))
12th Doctor: 7.00 (Range of 3 (5-8))

Showrunners:

Russel T Davies: 7.38 (Range of 4 (5-9))
Steven Moaffat: 6.85 (Range of 6 (4-10))

Interestingly Moaffat receives my only 10 but also receives my lowest score of 4.